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Finding the Fourth Proportional to 122,784.60, 184,220.10 and 60,413.40

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Solution

The fourth proportional to 122,784.60, 184,220.10 and 60,413.40 is: 90,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,784.60 : 184,220.10 = 60,413.40 : x
  2. Step 2: Convert to fraction form
    122,784.60/184,220.10 = 60,413.40/x
  3. Step 3: Cross multiply
    122,784.60x = 184,220.10 × 60,413.40
  4. Step 4: Simplify right side
    122,784.60x = 11,129,362,589.34
  5. Step 5: Solve for x
    x = 11,129,362,589.34/122,784.60
  6. Step 6: Final answer
    x = 90,641.36

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