Finding the Fourth Proportional to 23,436.05, 35,158.55 and 8,646.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.05 : 35,158.55 = 8,646.12 : x
2. Step 2: Convert to fraction form
   23,436.05/35,158.55 = 8,646.12/x
3. Step 3: Cross multiply
   23,436.05x = 35,158.55 × 8,646.12
4. Step 4: Simplify right side
   23,436.05x = 303,984,999.10
5. Step 5: Solve for x
   x = 303,984,999.10/23,436.05
6. Step 6: Final answer
   x = 12,970.83