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Finding the Fourth Proportional to 106,390.69, 146,820.14 and 58,645.74

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Solution

The fourth proportional to 106,390.69, 146,820.14 and 58,645.74 is: 80,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,390.69 : 146,820.14 = 58,645.74 : x
  2. Step 2: Convert to fraction form
    106,390.69/146,820.14 = 58,645.74/x
  3. Step 3: Cross multiply
    106,390.69x = 146,820.14 × 58,645.74
  4. Step 4: Simplify right side
    106,390.69x = 8,610,376,234.47
  5. Step 5: Solve for x
    x = 8,610,376,234.47/106,390.69
  6. Step 6: Final answer
    x = 80,931.67

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