Finding the Fourth Proportional to 2,710.71, 4,066.52 and 836.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.71 : 4,066.52 = 836.55 : x
2. Step 2: Convert to fraction form
   2,710.71/4,066.52 = 836.55/x
3. Step 3: Cross multiply
   2,710.71x = 4,066.52 × 836.55
4. Step 4: Simplify right side
   2,710.71x = 3,401,843.12
5. Step 5: Solve for x
   x = 3,401,843.12/2,710.71
6. Step 6: Final answer
   x = 1,254.96