Finding the Fourth Proportional to 31,108.53, 42,933.36 and 17,682.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,108.53 : 42,933.36 = 17,682.15 : x
2. Step 2: Convert to fraction form
   31,108.53/42,933.36 = 17,682.15/x
3. Step 3: Cross multiply
   31,108.53x = 42,933.36 × 17,682.15
4. Step 4: Simplify right side
   31,108.53x = 759,154,111.52
5. Step 5: Solve for x
   x = 759,154,111.52/31,108.53
6. Step 6: Final answer
   x = 24,403.41