Finding the Fourth Proportional to 6,465.71, 8,923.52 and 3,948.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465.71 : 8,923.52 = 3,948.15 : x
2. Step 2: Convert to fraction form
   6,465.71/8,923.52 = 3,948.15/x
3. Step 3: Cross multiply
   6,465.71x = 8,923.52 × 3,948.15
4. Step 4: Simplify right side
   6,465.71x = 35,231,375.75
5. Step 5: Solve for x
   x = 35,231,375.75/6,465.71
6. Step 6: Final answer
   x = 5,448.96