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Finding the Fourth Proportional to 79,210.53, 118,790.67 and 25,890.45

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Solution

The fourth proportional to 79,210.53, 118,790.67 and 25,890.45 is: 38,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.53 : 118,790.67 = 25,890.45 : x
  2. Step 2: Convert to fraction form
    79,210.53/118,790.67 = 25,890.45/x
  3. Step 3: Cross multiply
    79,210.53x = 118,790.67 × 25,890.45
  4. Step 4: Simplify right side
    79,210.53x = 3,075,543,902.10
  5. Step 5: Solve for x
    x = 3,075,543,902.10/79,210.53
  6. Step 6: Final answer
    x = 38,827.46

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