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Finding the Fourth Proportional to 77,345.48, 106,737.36 and 43,355.18

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Solution

The fourth proportional to 77,345.48, 106,737.36 and 43,355.18 is: 59,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,345.48 : 106,737.36 = 43,355.18 : x
  2. Step 2: Convert to fraction form
    77,345.48/106,737.36 = 43,355.18/x
  3. Step 3: Cross multiply
    77,345.48x = 106,737.36 × 43,355.18
  4. Step 4: Simplify right side
    77,345.48x = 4,627,617,455.52
  5. Step 5: Solve for x
    x = 4,627,617,455.52/77,345.48
  6. Step 6: Final answer
    x = 59,830.48

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