Finding the Fourth Proportional to 31,658.01, 43,686.72 and 17,509.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,658.01 : 43,686.72 = 17,509.95 : x
2. Step 2: Convert to fraction form
   31,658.01/43,686.72 = 17,509.95/x
3. Step 3: Cross multiply
   31,658.01x = 43,686.72 × 17,509.95
4. Step 4: Simplify right side
   31,658.01x = 764,952,282.86
5. Step 5: Solve for x
   x = 764,952,282.86/31,658.01
6. Step 6: Final answer
   x = 24,162.99