Finding the Fourth Proportional to 2,572.89, 3,547.98 and 2,288.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.89 : 3,547.98 = 2,288.41 : x
2. Step 2: Convert to fraction form
   2,572.89/3,547.98 = 2,288.41/x
3. Step 3: Cross multiply
   2,572.89x = 3,547.98 × 2,288.41
4. Step 4: Simplify right side
   2,572.89x = 8,119,216.12
5. Step 5: Solve for x
   x = 8,119,216.12/2,572.89
6. Step 6: Final answer
   x = 3,155.68