Finding the Fourth Proportional to 31,141.24, 42,976.10 and 17,713.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,141.24 : 42,976.10 = 17,713.74 : x
2. Step 2: Convert to fraction form
   31,141.24/42,976.10 = 17,713.74/x
3. Step 3: Cross multiply
   31,141.24x = 42,976.10 × 17,713.74
4. Step 4: Simplify right side
   31,141.24x = 761,267,461.61
5. Step 5: Solve for x
   x = 761,267,461.61/31,141.24
6. Step 6: Final answer
   x = 24,445.64