Finding the Fourth Proportional to 1,358.22, 1,875.42 and 886.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.22 : 1,875.42 = 886.44 : x
2. Step 2: Convert to fraction form
   1,358.22/1,875.42 = 886.44/x
3. Step 3: Cross multiply
   1,358.22x = 1,875.42 × 886.44
4. Step 4: Simplify right side
   1,358.22x = 1,662,447.30
5. Step 5: Solve for x
   x = 1,662,447.30/1,358.22
6. Step 6: Final answer
   x = 1,223.99