Finding the Fourth Proportional to 1,033.32, 1,426.50 and 886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.32 : 1,426.50 = 886.72 : x
2. Step 2: Convert to fraction form
   1,033.32/1,426.50 = 886.72/x
3. Step 3: Cross multiply
   1,033.32x = 1,426.50 × 886.72
4. Step 4: Simplify right side
   1,033.32x = 1,264,906.08
5. Step 5: Solve for x
   x = 1,264,906.08/1,033.32
6. Step 6: Final answer
   x = 1,224.12