Finding the Fourth Proportional to 31,648.86, 43,674.39 and 17,499.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,648.86 : 43,674.39 = 17,499.78 : x
2. Step 2: Convert to fraction form
   31,648.86/43,674.39 = 17,499.78/x
3. Step 3: Cross multiply
   31,648.86x = 43,674.39 × 17,499.78
4. Step 4: Simplify right side
   31,648.86x = 764,292,216.63
5. Step 5: Solve for x
   x = 764,292,216.63/31,648.86
6. Step 6: Final answer
   x = 24,149.12