Finding the Fourth Proportional to 31,042.57, 42,837.47 and 17,613.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.57 : 42,837.47 = 17,613.53 : x
2. Step 2: Convert to fraction form
   31,042.57/42,837.47 = 17,613.53/x
3. Step 3: Cross multiply
   31,042.57x = 42,837.47 × 17,613.53
4. Step 4: Simplify right side
   31,042.57x = 754,519,214.10
5. Step 5: Solve for x
   x = 754,519,214.10/31,042.57
6. Step 6: Final answer
   x = 24,305.95