Finding the Fourth Proportional to 5,039.42, 7,552.56 and 2,572.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,039.42 : 7,552.56 = 2,572.16 : x
2. Step 2: Convert to fraction form
   5,039.42/7,552.56 = 2,572.16/x
3. Step 3: Cross multiply
   5,039.42x = 7,552.56 × 2,572.16
4. Step 4: Simplify right side
   5,039.42x = 19,426,392.73
5. Step 5: Solve for x
   x = 19,426,392.73/5,039.42
6. Step 6: Final answer
   x = 3,854.89