Finding the Fourth Proportional to 31,060.88, 42,865.15 and 16,914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,060.88 : 42,865.15 = 16,914.76 : x
2. Step 2: Convert to fraction form
   31,060.88/42,865.15 = 16,914.76/x
3. Step 3: Cross multiply
   31,060.88x = 42,865.15 × 16,914.76
4. Step 4: Simplify right side
   31,060.88x = 725,053,724.61
5. Step 5: Solve for x
   x = 725,053,724.61/31,060.88
6. Step 6: Final answer
   x = 23,342.99