Finding the Fourth Proportional to 3,642.72, 5,025.84 and 2,400.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.72 : 5,025.84 = 2,400.48 : x
2. Step 2: Convert to fraction form
   3,642.72/5,025.84 = 2,400.48/x
3. Step 3: Cross multiply
   3,642.72x = 5,025.84 × 2,400.48
4. Step 4: Simplify right side
   3,642.72x = 12,064,428.40
5. Step 5: Solve for x
   x = 12,064,428.40/3,642.72
6. Step 6: Final answer
   x = 3,311.93