Finding the Fourth Proportional to 31,881.61, 43,996.42 and 17,542.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,881.61 : 43,996.42 = 17,542.31 : x
2. Step 2: Convert to fraction form
   31,881.61/43,996.42 = 17,542.31/x
3. Step 3: Cross multiply
   31,881.61x = 43,996.42 × 17,542.31
4. Step 4: Simplify right side
   31,881.61x = 771,798,904.67
5. Step 5: Solve for x
   x = 771,798,904.67/31,881.61
6. Step 6: Final answer
   x = 24,208.28