Finding the Fourth Proportional to 2,581.55, 3,862.76 and 1,542.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.55 : 3,862.76 = 1,542.12 : x
2. Step 2: Convert to fraction form
   2,581.55/3,862.76 = 1,542.12/x
3. Step 3: Cross multiply
   2,581.55x = 3,862.76 × 1,542.12
4. Step 4: Simplify right side
   2,581.55x = 5,956,851.99
5. Step 5: Solve for x
   x = 5,956,851.99/2,581.55
6. Step 6: Final answer
   x = 2,307.47