Finding the Fourth Proportional to 23,238.16, 32,068.69 and 13,167.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,238.16 : 32,068.69 = 13,167.28 : x
2. Step 2: Convert to fraction form
   23,238.16/32,068.69 = 13,167.28/x
3. Step 3: Cross multiply
   23,238.16x = 32,068.69 × 13,167.28
4. Step 4: Simplify right side
   23,238.16x = 422,257,307.37
5. Step 5: Solve for x
   x = 422,257,307.37/23,238.16
6. Step 6: Final answer
   x = 18,170.86