Finding the Fourth Proportional to 2,403.52, 3,605.86 and 902.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.52 : 3,605.86 = 902.55 : x
2. Step 2: Convert to fraction form
   2,403.52/3,605.86 = 902.55/x
3. Step 3: Cross multiply
   2,403.52x = 3,605.86 × 902.55
4. Step 4: Simplify right side
   2,403.52x = 3,254,473.45
5. Step 5: Solve for x
   x = 3,254,473.45/2,403.52
6. Step 6: Final answer
   x = 1,354.04