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Finding the Fourth Proportional to 174,916.80, 262,504.80 and 128,260.80

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Solution

The fourth proportional to 174,916.80, 262,504.80 and 128,260.80 is: 192,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,916.80 : 262,504.80 = 128,260.80 : x
  2. Step 2: Convert to fraction form
    174,916.80/262,504.80 = 128,260.80/x
  3. Step 3: Cross multiply
    174,916.80x = 262,504.80 × 128,260.80
  4. Step 4: Simplify right side
    174,916.80x = 33,669,075,651.84
  5. Step 5: Solve for x
    x = 33,669,075,651.84/174,916.80
  6. Step 6: Final answer
    x = 192,486.23

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