Finding the Fourth Proportional to 3,105.29, 4,658.72 and 914.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.29 : 4,658.72 = 914.02 : x
2. Step 2: Convert to fraction form
   3,105.29/4,658.72 = 914.02/x
3. Step 3: Cross multiply
   3,105.29x = 4,658.72 × 914.02
4. Step 4: Simplify right side
   3,105.29x = 4,258,147.04
5. Step 5: Solve for x
   x = 4,258,147.04/3,105.29
6. Step 6: Final answer
   x = 1,371.25