Finding the Fourth Proportional to 2,569.40, 3,851.52 and 836.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.40 : 3,851.52 = 836.84 : x
2. Step 2: Convert to fraction form
   2,569.40/3,851.52 = 836.84/x
3. Step 3: Cross multiply
   2,569.40x = 3,851.52 × 836.84
4. Step 4: Simplify right side
   2,569.40x = 3,223,106.00
5. Step 5: Solve for x
   x = 3,223,106.00/2,569.40
6. Step 6: Final answer
   x = 1,254.42