Finding the Fourth Proportional to 31,025.34, 46,520.35 and 21,176.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,025.34 : 46,520.35 = 21,176.55 : x
2. Step 2: Convert to fraction form
   31,025.34/46,520.35 = 21,176.55/x
3. Step 3: Cross multiply
   31,025.34x = 46,520.35 × 21,176.55
4. Step 4: Simplify right side
   31,025.34x = 985,140,517.79
5. Step 5: Solve for x
   x = 985,140,517.79/31,025.34
6. Step 6: Final answer
   x = 31,752.77