Finding the Fourth Proportional to 2,742.48, 4,113.14 and 868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.48 : 4,113.14 = 868.52 : x
2. Step 2: Convert to fraction form
   2,742.48/4,113.14 = 868.52/x
3. Step 3: Cross multiply
   2,742.48x = 4,113.14 × 868.52
4. Step 4: Simplify right side
   2,742.48x = 3,572,340.01
5. Step 5: Solve for x
   x = 3,572,340.01/2,742.48
6. Step 6: Final answer
   x = 1,302.59