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Finding the Fourth Proportional to 99,413.21, 137,186.12 and 54,091.37

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Solution

The fourth proportional to 99,413.21, 137,186.12 and 54,091.37 is: 74,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413.21 : 137,186.12 = 54,091.37 : x
  2. Step 2: Convert to fraction form
    99,413.21/137,186.12 = 54,091.37/x
  3. Step 3: Cross multiply
    99,413.21x = 137,186.12 × 54,091.37
  4. Step 4: Simplify right side
    99,413.21x = 7,420,585,653.98
  5. Step 5: Solve for x
    x = 7,420,585,653.98/99,413.21
  6. Step 6: Final answer
    x = 74,643.86

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