Finding the Fourth Proportional to 31,398.72, 47,042.73 and 16,574.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,398.72 : 47,042.73 = 16,574.98 : x
2. Step 2: Convert to fraction form
   31,398.72/47,042.73 = 16,574.98/x
3. Step 3: Cross multiply
   31,398.72x = 47,042.73 × 16,574.98
4. Step 4: Simplify right side
   31,398.72x = 779,732,308.90
5. Step 5: Solve for x
   x = 779,732,308.90/31,398.72
6. Step 6: Final answer
   x = 24,833.25