Finding the Fourth Proportional to 7,049.15, 9,727.72 and 3,862.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,049.15 : 9,727.72 = 3,862.70 : x
2. Step 2: Convert to fraction form
   7,049.15/9,727.72 = 3,862.70/x
3. Step 3: Cross multiply
   7,049.15x = 9,727.72 × 3,862.70
4. Step 4: Simplify right side
   7,049.15x = 37,575,264.04
5. Step 5: Solve for x
   x = 37,575,264.04/7,049.15
6. Step 6: Final answer
   x = 5,330.47