Finding the Fourth Proportional to 31,189.52, 43,042.76 and 17,042.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,189.52 : 43,042.76 = 17,042.96 : x
2. Step 2: Convert to fraction form
   31,189.52/43,042.76 = 17,042.96/x
3. Step 3: Cross multiply
   31,189.52x = 43,042.76 × 17,042.96
4. Step 4: Simplify right side
   31,189.52x = 733,576,036.97
5. Step 5: Solve for x
   x = 733,576,036.97/31,189.52
6. Step 6: Final answer
   x = 23,519.95