Finding the Fourth Proportional to 3,610.17, 5,401.76 and 2,572.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.17 : 5,401.76 = 2,572.56 : x
2. Step 2: Convert to fraction form
   3,610.17/5,401.76 = 2,572.56/x
3. Step 3: Cross multiply
   3,610.17x = 5,401.76 × 2,572.56
4. Step 4: Simplify right side
   3,610.17x = 13,896,351.71
5. Step 5: Solve for x
   x = 13,896,351.71/3,610.17
6. Step 6: Final answer
   x = 3,849.22