Finding the Fourth Proportional to 6,465.45, 8,922.33 and 3,812.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,465.45 : 8,922.33 = 3,812.88 : x
2. Step 2: Convert to fraction form
   6,465.45/8,922.33 = 3,812.88/x
3. Step 3: Cross multiply
   6,465.45x = 8,922.33 × 3,812.88
4. Step 4: Simplify right side
   6,465.45x = 34,019,773.61
5. Step 5: Solve for x
   x = 34,019,773.61/6,465.45
6. Step 6: Final answer
   x = 5,261.78