Finding the Fourth Proportional to 1,843.68, 2,766.32 and 869.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.68 : 2,766.32 = 869.12 : x
2. Step 2: Convert to fraction form
   1,843.68/2,766.32 = 869.12/x
3. Step 3: Cross multiply
   1,843.68x = 2,766.32 × 869.12
4. Step 4: Simplify right side
   1,843.68x = 2,404,264.04
5. Step 5: Solve for x
   x = 2,404,264.04/1,843.68
6. Step 6: Final answer
   x = 1,304.06