Finding the Fourth Proportional to 1,549.27, 2,138.06 and 886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,549.27 : 2,138.06 = 886.33 : x
2. Step 2: Convert to fraction form
   1,549.27/2,138.06 = 886.33/x
3. Step 3: Cross multiply
   1,549.27x = 2,138.06 × 886.33
4. Step 4: Simplify right side
   1,549.27x = 1,895,026.72
5. Step 5: Solve for x
   x = 1,895,026.72/1,549.27
6. Step 6: Final answer
   x = 1,223.17