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Finding the Fourth Proportional to 405,603.05, 608,358.11 and 106,112.54

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Solution

The fourth proportional to 405,603.05, 608,358.11 and 106,112.54 is: 159,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,603.05 : 608,358.11 = 106,112.54 : x
  2. Step 2: Convert to fraction form
    405,603.05/608,358.11 = 106,112.54/x
  3. Step 3: Cross multiply
    405,603.05x = 608,358.11 × 106,112.54
  4. Step 4: Simplify right side
    405,603.05x = 64,554,424,281.70
  5. Step 5: Solve for x
    x = 64,554,424,281.70/405,603.05
  6. Step 6: Final answer
    x = 159,156.65

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