Finding the Fourth Proportional to 31,056.55, 42,861.89 and 17,632.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056.55 : 42,861.89 = 17,632.15 : x
2. Step 2: Convert to fraction form
   31,056.55/42,861.89 = 17,632.15/x
3. Step 3: Cross multiply
   31,056.55x = 42,861.89 × 17,632.15
4. Step 4: Simplify right side
   31,056.55x = 755,747,210.69
5. Step 5: Solve for x
   x = 755,747,210.69/31,056.55
6. Step 6: Final answer
   x = 24,334.55