Finding the Fourth Proportional to 2,575.19, 3,553.91 and 1,455.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.19 : 3,553.91 = 1,455.72 : x
2. Step 2: Convert to fraction form
   2,575.19/3,553.91 = 1,455.72/x
3. Step 3: Cross multiply
   2,575.19x = 3,553.91 × 1,455.72
4. Step 4: Simplify right side
   2,575.19x = 5,173,508.85
5. Step 5: Solve for x
   x = 5,173,508.85/2,575.19
6. Step 6: Final answer
   x = 2,008.98