Finding the Fourth Proportional to 2,710.96, 4,066.55 and 862.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.96 : 4,066.55 = 862.03 : x
2. Step 2: Convert to fraction form
   2,710.96/4,066.55 = 862.03/x
3. Step 3: Cross multiply
   2,710.96x = 4,066.55 × 862.03
4. Step 4: Simplify right side
   2,710.96x = 3,505,463.45
5. Step 5: Solve for x
   x = 3,505,463.45/2,710.96
6. Step 6: Final answer
   x = 1,293.07