Finding the Fourth Proportional to 3,599.12, 5,398.72 and 1,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,599.12 : 5,398.72 = 1,002.48 : x
2. Step 2: Convert to fraction form
   3,599.12/5,398.72 = 1,002.48/x
3. Step 3: Cross multiply
   3,599.12x = 5,398.72 × 1,002.48
4. Step 4: Simplify right side
   3,599.12x = 5,412,108.83
5. Step 5: Solve for x
   x = 5,412,108.83/3,599.12
6. Step 6: Final answer
   x = 1,503.73