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Finding the Fourth Proportional to 405,258.58, 607,888.14 and 105,738.40

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Solution

The fourth proportional to 405,258.58, 607,888.14 and 105,738.40 is: 158,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,258.58 : 607,888.14 = 105,738.40 : x
  2. Step 2: Convert to fraction form
    405,258.58/607,888.14 = 105,738.40/x
  3. Step 3: Cross multiply
    405,258.58x = 607,888.14 × 105,738.40
  4. Step 4: Simplify right side
    405,258.58x = 64,277,119,302.58
  5. Step 5: Solve for x
    x = 64,277,119,302.58/405,258.58
  6. Step 6: Final answer
    x = 158,607.67

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