Finding the Fourth Proportional to 2,457.55, 3,687.84 and 996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.55 : 3,687.84 = 996.72 : x
2. Step 2: Convert to fraction form
   2,457.55/3,687.84 = 996.72/x
3. Step 3: Cross multiply
   2,457.55x = 3,687.84 × 996.72
4. Step 4: Simplify right side
   2,457.55x = 3,675,743.88
5. Step 5: Solve for x
   x = 3,675,743.88/2,457.55
6. Step 6: Final answer
   x = 1,495.69