Finding the Fourth Proportional to 4,002.48, 6,003.50 and 1,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.48 : 6,003.50 = 1,080.56 : x
2. Step 2: Convert to fraction form
   4,002.48/6,003.50 = 1,080.56/x
3. Step 3: Cross multiply
   4,002.48x = 6,003.50 × 1,080.56
4. Step 4: Simplify right side
   4,002.48x = 6,487,151.57
5. Step 5: Solve for x
   x = 6,487,151.57/4,002.48
6. Step 6: Final answer
   x = 1,620.78