Finding the Fourth Proportional to 2,572.20, 3,549.69 and 1,524.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.20 : 3,549.69 = 1,524.78 : x
2. Step 2: Convert to fraction form
   2,572.20/3,549.69 = 1,524.78/x
3. Step 3: Cross multiply
   2,572.20x = 3,549.69 × 1,524.78
4. Step 4: Simplify right side
   2,572.20x = 5,412,496.32
5. Step 5: Solve for x
   x = 5,412,496.32/2,572.20
6. Step 6: Final answer
   x = 2,104.23