Finding the Fourth Proportional to 1,419.24, 1,958.82 and 888.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.24 : 1,958.82 = 888.20 : x
2. Step 2: Convert to fraction form
   1,419.24/1,958.82 = 888.20/x
3. Step 3: Cross multiply
   1,419.24x = 1,958.82 × 888.20
4. Step 4: Simplify right side
   1,419.24x = 1,739,823.92
5. Step 5: Solve for x
   x = 1,739,823.92/1,419.24
6. Step 6: Final answer
   x = 1,225.88