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Finding the Fourth Proportional to 49,158.90, 73,738.60 and 12,222.90

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Solution

The fourth proportional to 49,158.90, 73,738.60 and 12,222.90 is: 18,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,158.90 : 73,738.60 = 12,222.90 : x
  2. Step 2: Convert to fraction form
    49,158.90/73,738.60 = 12,222.90/x
  3. Step 3: Cross multiply
    49,158.90x = 73,738.60 × 12,222.90
  4. Step 4: Simplify right side
    49,158.90x = 901,299,533.94
  5. Step 5: Solve for x
    x = 901,299,533.94/49,158.90
  6. Step 6: Final answer
    x = 18,334.41

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