Finding the Fourth Proportional to 31,507.10, 43,481.76 and 17,359.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.10 : 43,481.76 = 17,359.94 : x
2. Step 2: Convert to fraction form
   31,507.10/43,481.76 = 17,359.94/x
3. Step 3: Cross multiply
   31,507.10x = 43,481.76 × 17,359.94
4. Step 4: Simplify right side
   31,507.10x = 754,840,744.69
5. Step 5: Solve for x
   x = 754,840,744.69/31,507.10
6. Step 6: Final answer
   x = 23,957.80