Finding the Fourth Proportional to 23,477.10, 32,399.64 and 12,867.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,477.10 : 32,399.64 = 12,867.18 : x
2. Step 2: Convert to fraction form
   23,477.10/32,399.64 = 12,867.18/x
3. Step 3: Cross multiply
   23,477.10x = 32,399.64 × 12,867.18
4. Step 4: Simplify right side
   23,477.10x = 416,891,999.82
5. Step 5: Solve for x
   x = 416,891,999.82/23,477.10
6. Step 6: Final answer
   x = 17,757.39