Finding the Fourth Proportional to 22,613.31, 31,170.42 and 17,825.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.31 : 31,170.42 = 17,825.49 : x
2. Step 2: Convert to fraction form
   22,613.31/31,170.42 = 17,825.49/x
3. Step 3: Cross multiply
   22,613.31x = 31,170.42 × 17,825.49
4. Step 4: Simplify right side
   22,613.31x = 555,628,010.01
5. Step 5: Solve for x
   x = 555,628,010.01/22,613.31
6. Step 6: Final answer
   x = 24,570.84