Finding the Fourth Proportional to 31,074.88, 42,885.76 and 17,650.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.88 : 42,885.76 = 17,650.35 : x
2. Step 2: Convert to fraction form
   31,074.88/42,885.76 = 17,650.35/x
3. Step 3: Cross multiply
   31,074.88x = 42,885.76 × 17,650.35
4. Step 4: Simplify right side
   31,074.88x = 756,948,674.02
5. Step 5: Solve for x
   x = 756,948,674.02/31,074.88
6. Step 6: Final answer
   x = 24,358.86