Finding the Fourth Proportional to 3,663.59, 5,056.52 and 2,485.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.59 : 5,056.52 = 2,485.04 : x
2. Step 2: Convert to fraction form
   3,663.59/5,056.52 = 2,485.04/x
3. Step 3: Cross multiply
   3,663.59x = 5,056.52 × 2,485.04
4. Step 4: Simplify right side
   3,663.59x = 12,565,616.75
5. Step 5: Solve for x
   x = 12,565,616.75/3,663.59
6. Step 6: Final answer
   x = 3,429.87