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Finding the Fourth Proportional to 214,258.61, 321,341.78 and 87,774.83

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Solution

The fourth proportional to 214,258.61, 321,341.78 and 87,774.83 is: 131,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,258.61 : 321,341.78 = 87,774.83 : x
  2. Step 2: Convert to fraction form
    214,258.61/321,341.78 = 87,774.83/x
  3. Step 3: Cross multiply
    214,258.61x = 321,341.78 × 87,774.83
  4. Step 4: Simplify right side
    214,258.61x = 28,205,718,065.81
  5. Step 5: Solve for x
    x = 28,205,718,065.81/214,258.61
  6. Step 6: Final answer
    x = 131,643.34

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