Finding the Fourth Proportional to 31,654.72, 43,686.16 and 17,510.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,654.72 : 43,686.16 = 17,510.40 : x
2. Step 2: Convert to fraction form
   31,654.72/43,686.16 = 17,510.40/x
3. Step 3: Cross multiply
   31,654.72x = 43,686.16 × 17,510.40
4. Step 4: Simplify right side
   31,654.72x = 764,962,136.06
5. Step 5: Solve for x
   x = 764,962,136.06/31,654.72
6. Step 6: Final answer
   x = 24,165.82