Finding the Fourth Proportional to 7,151.15, 9,868.83 and 3,964.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.15 : 9,868.83 = 3,964.41 : x
2. Step 2: Convert to fraction form
   7,151.15/9,868.83 = 3,964.41/x
3. Step 3: Cross multiply
   7,151.15x = 9,868.83 × 3,964.41
4. Step 4: Simplify right side
   7,151.15x = 39,124,088.34
5. Step 5: Solve for x
   x = 39,124,088.34/7,151.15
6. Step 6: Final answer
   x = 5,471.02