Finding the Fourth Proportional to 1,484.22, 2,048.04 and 886.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.22 : 2,048.04 = 886.72 : x
2. Step 2: Convert to fraction form
   1,484.22/2,048.04 = 886.72/x
3. Step 3: Cross multiply
   1,484.22x = 2,048.04 × 886.72
4. Step 4: Simplify right side
   1,484.22x = 1,816,038.03
5. Step 5: Solve for x
   x = 1,816,038.03/1,484.22
6. Step 6: Final answer
   x = 1,223.56