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Finding the Fourth Proportional to 263,587.68, 395,431.20 and 105,828.48

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Solution

The fourth proportional to 263,587.68, 395,431.20 and 105,828.48 is: 158,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,587.68 : 395,431.20 = 105,828.48 : x
  2. Step 2: Convert to fraction form
    263,587.68/395,431.20 = 105,828.48/x
  3. Step 3: Cross multiply
    263,587.68x = 395,431.20 × 105,828.48
  4. Step 4: Simplify right side
    263,587.68x = 41,847,882,840.58
  5. Step 5: Solve for x
    x = 41,847,882,840.58/263,587.68
  6. Step 6: Final answer
    x = 158,762.67

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