Finding the Fourth Proportional to 3,731.85, 5,150.20 and 2,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,731.85 : 5,150.20 = 2,470.72 : x
2. Step 2: Convert to fraction form
   3,731.85/5,150.20 = 2,470.72/x
3. Step 3: Cross multiply
   3,731.85x = 5,150.20 × 2,470.72
4. Step 4: Simplify right side
   3,731.85x = 12,724,695.97
5. Step 5: Solve for x
   x = 12,724,695.97/3,731.85
6. Step 6: Final answer
   x = 3,409.76