Finding the Fourth Proportional to 31,178.98, 43,028.15 and 17,031.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,178.98 : 43,028.15 = 17,031.92 : x
2. Step 2: Convert to fraction form
   31,178.98/43,028.15 = 17,031.92/x
3. Step 3: Cross multiply
   31,178.98x = 43,028.15 × 17,031.92
4. Step 4: Simplify right side
   31,178.98x = 732,852,008.55
5. Step 5: Solve for x
   x = 732,852,008.55/31,178.98
6. Step 6: Final answer
   x = 23,504.68