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Finding the Fourth Proportional to 78,723.50, 108,641.05 and 46,888.07

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Solution

The fourth proportional to 78,723.50, 108,641.05 and 46,888.07 is: 64,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,723.50 : 108,641.05 = 46,888.07 : x
  2. Step 2: Convert to fraction form
    78,723.50/108,641.05 = 46,888.07/x
  3. Step 3: Cross multiply
    78,723.50x = 108,641.05 × 46,888.07
  4. Step 4: Simplify right side
    78,723.50x = 5,093,968,496.85
  5. Step 5: Solve for x
    x = 5,093,968,496.85/78,723.50
  6. Step 6: Final answer
    x = 64,707.09

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