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Finding the Fourth Proportional to 92,413.84, 138,505.92 and 42,440.92

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Solution

The fourth proportional to 92,413.84, 138,505.92 and 42,440.92 is: 63,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,413.84 : 138,505.92 = 42,440.92 : x
  2. Step 2: Convert to fraction form
    92,413.84/138,505.92 = 42,440.92/x
  3. Step 3: Cross multiply
    92,413.84x = 138,505.92 × 42,440.92
  4. Step 4: Simplify right side
    92,413.84x = 5,878,318,670.25
  5. Step 5: Solve for x
    x = 5,878,318,670.25/92,413.84
  6. Step 6: Final answer
    x = 63,608.64

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