Finding the Fourth Proportional to 10,465.00, 15,672.89 and 8,258.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,465.00 : 15,672.89 = 8,258.96 : x
2. Step 2: Convert to fraction form
   10,465.00/15,672.89 = 8,258.96/x
3. Step 3: Cross multiply
   10,465.00x = 15,672.89 × 8,258.96
4. Step 4: Simplify right side
   10,465.00x = 129,441,831.42
5. Step 5: Solve for x
   x = 129,441,831.42/10,465.00
6. Step 6: Final answer
   x = 12,369.03