Finding the Fourth Proportional to 31,781.72, 43,858.12 and 17,634.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,781.72 : 43,858.12 = 17,634.24 : x
2. Step 2: Convert to fraction form
   31,781.72/43,858.12 = 17,634.24/x
3. Step 3: Cross multiply
   31,781.72x = 43,858.12 × 17,634.24
4. Step 4: Simplify right side
   31,781.72x = 773,404,614.03
5. Step 5: Solve for x
   x = 773,404,614.03/31,781.72
6. Step 6: Final answer
   x = 24,334.89