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Finding the Fourth Proportional to 230,413.80, 345,669.30 and 72,658.20

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Solution

The fourth proportional to 230,413.80, 345,669.30 and 72,658.20 is: 109,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,413.80 : 345,669.30 = 72,658.20 : x
  2. Step 2: Convert to fraction form
    230,413.80/345,669.30 = 72,658.20/x
  3. Step 3: Cross multiply
    230,413.80x = 345,669.30 × 72,658.20
  4. Step 4: Simplify right side
    230,413.80x = 25,115,709,133.26
  5. Step 5: Solve for x
    x = 25,115,709,133.26/230,413.80
  6. Step 6: Final answer
    x = 109,002.63

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