Finding the Fourth Proportional to 31,059.73, 42,861.09 and 17,630.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,059.73 : 42,861.09 = 17,630.74 : x
2. Step 2: Convert to fraction form
   31,059.73/42,861.09 = 17,630.74/x
3. Step 3: Cross multiply
   31,059.73x = 42,861.09 × 17,630.74
4. Step 4: Simplify right side
   31,059.73x = 755,672,733.91
5. Step 5: Solve for x
   x = 755,672,733.91/31,059.73
6. Step 6: Final answer
   x = 24,329.66