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Finding the Fourth Proportional to 122,965.60, 184,448.40 and 115,092.40

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Solution

The fourth proportional to 122,965.60, 184,448.40 and 115,092.40 is: 172,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,965.60 : 184,448.40 = 115,092.40 : x
  2. Step 2: Convert to fraction form
    122,965.60/184,448.40 = 115,092.40/x
  3. Step 3: Cross multiply
    122,965.60x = 184,448.40 × 115,092.40
  4. Step 4: Simplify right side
    122,965.60x = 21,228,609,032.16
  5. Step 5: Solve for x
    x = 21,228,609,032.16/122,965.60
  6. Step 6: Final answer
    x = 172,638.60

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