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Finding the Fourth Proportional to 205,123.68, 307,696.72 and 64,871.84

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Solution

The fourth proportional to 205,123.68, 307,696.72 and 64,871.84 is: 97,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,123.68 : 307,696.72 = 64,871.84 : x
  2. Step 2: Convert to fraction form
    205,123.68/307,696.72 = 64,871.84/x
  3. Step 3: Cross multiply
    205,123.68x = 307,696.72 × 64,871.84
  4. Step 4: Simplify right side
    205,123.68x = 19,960,852,388.36
  5. Step 5: Solve for x
    x = 19,960,852,388.36/205,123.68
  6. Step 6: Final answer
    x = 97,311.30

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