Finding the Fourth Proportional to 31,545.55, 47,300.59 and 10,474.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,545.55 : 47,300.59 = 10,474.31 : x
2. Step 2: Convert to fraction form
   31,545.55/47,300.59 = 10,474.31/x
3. Step 3: Cross multiply
   31,545.55x = 47,300.59 × 10,474.31
4. Step 4: Simplify right side
   31,545.55x = 495,440,780.15
5. Step 5: Solve for x
   x = 495,440,780.15/31,545.55
6. Step 6: Final answer
   x = 15,705.57