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Finding the Fourth Proportional to 66,906.84, 100,377.14 and 47,223.84

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Solution

The fourth proportional to 66,906.84, 100,377.14 and 47,223.84 is: 70,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.84 : 100,377.14 = 47,223.84 : x
  2. Step 2: Convert to fraction form
    66,906.84/100,377.14 = 47,223.84/x
  3. Step 3: Cross multiply
    66,906.84x = 100,377.14 × 47,223.84
  4. Step 4: Simplify right side
    66,906.84x = 4,740,193,762.90
  5. Step 5: Solve for x
    x = 4,740,193,762.90/66,906.84
  6. Step 6: Final answer
    x = 70,847.67

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