Finding the Fourth Proportional to 2,575.12, 3,553.56 and 1,527.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.12 : 3,553.56 = 1,527.20 : x
2. Step 2: Convert to fraction form
   2,575.12/3,553.56 = 1,527.20/x
3. Step 3: Cross multiply
   2,575.12x = 3,553.56 × 1,527.20
4. Step 4: Simplify right side
   2,575.12x = 5,426,996.83
5. Step 5: Solve for x
   x = 5,426,996.83/2,575.12
6. Step 6: Final answer
   x = 2,107.47