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Finding the Fourth Proportional to 123,074.40, 184,611.60 and 66,941.40

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Solution

The fourth proportional to 123,074.40, 184,611.60 and 66,941.40 is: 100,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,074.40 : 184,611.60 = 66,941.40 : x
  2. Step 2: Convert to fraction form
    123,074.40/184,611.60 = 66,941.40/x
  3. Step 3: Cross multiply
    123,074.40x = 184,611.60 × 66,941.40
  4. Step 4: Simplify right side
    123,074.40x = 12,358,158,960.24
  5. Step 5: Solve for x
    x = 12,358,158,960.24/123,074.40
  6. Step 6: Final answer
    x = 100,412.10

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