Finding the Fourth Proportional to 31,102.50, 42,922.56 and 17,674.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,102.50 : 42,922.56 = 17,674.32 : x
2. Step 2: Convert to fraction form
   31,102.50/42,922.56 = 17,674.32/x
3. Step 3: Cross multiply
   31,102.50x = 42,922.56 × 17,674.32
4. Step 4: Simplify right side
   31,102.50x = 758,627,060.66
5. Step 5: Solve for x
   x = 758,627,060.66/31,102.50
6. Step 6: Final answer
   x = 24,391.19