Finding the Fourth Proportional to 31,062.09, 42,866.20 and 17,633.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,062.09 : 42,866.20 = 17,633.74 : x
2. Step 2: Convert to fraction form
   31,062.09/42,866.20 = 17,633.74/x
3. Step 3: Cross multiply
   31,062.09x = 42,866.20 × 17,633.74
4. Step 4: Simplify right side
   31,062.09x = 755,891,337.42
5. Step 5: Solve for x
   x = 755,891,337.42/31,062.09
6. Step 6: Final answer
   x = 24,334.85