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Finding the Fourth Proportional to 66,442.44, 99,673.71 and 21,448.77

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Solution

The fourth proportional to 66,442.44, 99,673.71 and 21,448.77 is: 32,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.44 : 99,673.71 = 21,448.77 : x
  2. Step 2: Convert to fraction form
    66,442.44/99,673.71 = 21,448.77/x
  3. Step 3: Cross multiply
    66,442.44x = 99,673.71 × 21,448.77
  4. Step 4: Simplify right side
    66,442.44x = 2,137,878,026.63
  5. Step 5: Solve for x
    x = 2,137,878,026.63/66,442.44
  6. Step 6: Final answer
    x = 32,176.39

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