Finding the Fourth Proportional to 1,373.43, 2,058.78 and 886.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.43 : 2,058.78 = 886.82 : x
2. Step 2: Convert to fraction form
   1,373.43/2,058.78 = 886.82/x
3. Step 3: Cross multiply
   1,373.43x = 2,058.78 × 886.82
4. Step 4: Simplify right side
   1,373.43x = 1,825,767.28
5. Step 5: Solve for x
   x = 1,825,767.28/1,373.43
6. Step 6: Final answer
   x = 1,329.35