Finding the Fourth Proportional to 2,571.60, 3,549.18 and 1,509.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.60 : 3,549.18 = 1,509.32 : x
2. Step 2: Convert to fraction form
   2,571.60/3,549.18 = 1,509.32/x
3. Step 3: Cross multiply
   2,571.60x = 3,549.18 × 1,509.32
4. Step 4: Simplify right side
   2,571.60x = 5,356,830.61
5. Step 5: Solve for x
   x = 5,356,830.61/2,571.60
6. Step 6: Final answer
   x = 2,083.07