Finding the Fourth Proportional to 3,200.72, 4,803.72 and 2,474.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.72 : 4,803.72 = 2,474.72 : x
2. Step 2: Convert to fraction form
   3,200.72/4,803.72 = 2,474.72/x
3. Step 3: Cross multiply
   3,200.72x = 4,803.72 × 2,474.72
4. Step 4: Simplify right side
   3,200.72x = 11,887,861.96
5. Step 5: Solve for x
   x = 11,887,861.96/3,200.72
6. Step 6: Final answer
   x = 3,714.12