Finding the Fourth Proportional to 23,440.72, 35,151.61 and 8,646.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,440.72 : 35,151.61 = 8,646.35 : x
2. Step 2: Convert to fraction form
   23,440.72/35,151.61 = 8,646.35/x
3. Step 3: Cross multiply
   23,440.72x = 35,151.61 × 8,646.35
4. Step 4: Simplify right side
   23,440.72x = 303,933,079.89
5. Step 5: Solve for x
   x = 303,933,079.89/23,440.72
6. Step 6: Final answer
   x = 12,966.03