Finding the Fourth Proportional to 3,625.92, 5,004.72 and 2,505.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,625.92 : 5,004.72 = 2,505.60 : x
2. Step 2: Convert to fraction form
   3,625.92/5,004.72 = 2,505.60/x
3. Step 3: Cross multiply
   3,625.92x = 5,004.72 × 2,505.60
4. Step 4: Simplify right side
   3,625.92x = 12,539,826.43
5. Step 5: Solve for x
   x = 12,539,826.43/3,625.92
6. Step 6: Final answer
   x = 3,458.38