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Finding the Fourth Proportional to 189,455.40, 261,448.29 and 104,572.26

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Solution

The fourth proportional to 189,455.40, 261,448.29 and 104,572.26 is: 144,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,455.40 : 261,448.29 = 104,572.26 : x
  2. Step 2: Convert to fraction form
    189,455.40/261,448.29 = 104,572.26/x
  3. Step 3: Cross multiply
    189,455.40x = 261,448.29 × 104,572.26
  4. Step 4: Simplify right side
    189,455.40x = 27,340,238,558.44
  5. Step 5: Solve for x
    x = 27,340,238,558.44/189,455.40
  6. Step 6: Final answer
    x = 144,309.63

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