Finding the Fourth Proportional to 2,503.92, 3,455.16 and 1,455.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.92 : 3,455.16 = 1,455.72 : x
2. Step 2: Convert to fraction form
   2,503.92/3,455.16 = 1,455.72/x
3. Step 3: Cross multiply
   2,503.92x = 3,455.16 × 1,455.72
4. Step 4: Simplify right side
   2,503.92x = 5,029,745.52
5. Step 5: Solve for x
   x = 5,029,745.52/2,503.92
6. Step 6: Final answer
   x = 2,008.75