Finding the Fourth Proportional to 31,826.42, 47,753.13 and 17,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,826.42 : 47,753.13 = 17,031.50 : x
2. Step 2: Convert to fraction form
   31,826.42/47,753.13 = 17,031.50/x
3. Step 3: Cross multiply
   31,826.42x = 47,753.13 × 17,031.50
4. Step 4: Simplify right side
   31,826.42x = 813,307,433.60
5. Step 5: Solve for x
   x = 813,307,433.60/31,826.42
6. Step 6: Final answer
   x = 25,554.47