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Finding the Fourth Proportional to 91,595.05, 137,385.99 and 28,413.53

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Solution

The fourth proportional to 91,595.05, 137,385.99 and 28,413.53 is: 42,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,595.05 : 137,385.99 = 28,413.53 : x
  2. Step 2: Convert to fraction form
    91,595.05/137,385.99 = 28,413.53/x
  3. Step 3: Cross multiply
    91,595.05x = 137,385.99 × 28,413.53
  4. Step 4: Simplify right side
    91,595.05x = 3,903,621,758.38
  5. Step 5: Solve for x
    x = 3,903,621,758.38/91,595.05
  6. Step 6: Final answer
    x = 42,618.26

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