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Finding the Fourth Proportional to 122,820.60, 184,328.10 and 47,976.60

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Solution

The fourth proportional to 122,820.60, 184,328.10 and 47,976.60 is: 72,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,820.60 : 184,328.10 = 47,976.60 : x
  2. Step 2: Convert to fraction form
    122,820.60/184,328.10 = 47,976.60/x
  3. Step 3: Cross multiply
    122,820.60x = 184,328.10 × 47,976.60
  4. Step 4: Simplify right side
    122,820.60x = 8,843,435,522.46
  5. Step 5: Solve for x
    x = 8,843,435,522.46/122,820.60
  6. Step 6: Final answer
    x = 72,002.87

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