Finding the Fourth Proportional to 31,080.56, 42,889.48 and 17,651.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080.56 : 42,889.48 = 17,651.48 : x
2. Step 2: Convert to fraction form
   31,080.56/42,889.48 = 17,651.48/x
3. Step 3: Cross multiply
   31,080.56x = 42,889.48 × 17,651.48
4. Step 4: Simplify right side
   31,080.56x = 757,062,798.43
5. Step 5: Solve for x
   x = 757,062,798.43/31,080.56
6. Step 6: Final answer
   x = 24,358.08