Finding the Fourth Proportional to 1,418.04, 1,955.59 and 886.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.04 : 1,955.59 = 886.75 : x
2. Step 2: Convert to fraction form
   1,418.04/1,955.59 = 886.75/x
3. Step 3: Cross multiply
   1,418.04x = 1,955.59 × 886.75
4. Step 4: Simplify right side
   1,418.04x = 1,734,119.43
5. Step 5: Solve for x
   x = 1,734,119.43/1,418.04
6. Step 6: Final answer
   x = 1,222.90