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Finding the Fourth Proportional to 30,433.54, 45,616.81 and 19,899.22

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Solution

The fourth proportional to 30,433.54, 45,616.81 and 19,899.22 is: 29,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.54 : 45,616.81 = 19,899.22 : x
  2. Step 2: Convert to fraction form
    30,433.54/45,616.81 = 19,899.22/x
  3. Step 3: Cross multiply
    30,433.54x = 45,616.81 × 19,899.22
  4. Step 4: Simplify right side
    30,433.54x = 907,738,937.89
  5. Step 5: Solve for x
    x = 907,738,937.89/30,433.54
  6. Step 6: Final answer
    x = 29,826.93

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