Finding the Fourth Proportional to 1,196.72, 1,793.28 and 888.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.72 : 1,793.28 = 888.08 : x
2. Step 2: Convert to fraction form
   1,196.72/1,793.28 = 888.08/x
3. Step 3: Cross multiply
   1,196.72x = 1,793.28 × 888.08
4. Step 4: Simplify right side
   1,196.72x = 1,592,576.10
5. Step 5: Solve for x
   x = 1,592,576.10/1,196.72
6. Step 6: Final answer
   x = 1,330.78