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Finding the Fourth Proportional to 105,858.36, 146,083.90 and 57,461.25

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Solution

The fourth proportional to 105,858.36, 146,083.90 and 57,461.25 is: 79,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,858.36 : 146,083.90 = 57,461.25 : x
  2. Step 2: Convert to fraction form
    105,858.36/146,083.90 = 57,461.25/x
  3. Step 3: Cross multiply
    105,858.36x = 146,083.90 × 57,461.25
  4. Step 4: Simplify right side
    105,858.36x = 8,394,163,498.88
  5. Step 5: Solve for x
    x = 8,394,163,498.88/105,858.36
  6. Step 6: Final answer
    x = 79,296.18

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