Finding the Fourth Proportional to 23,093.12, 31,868.52 and 13,662.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,093.12 : 31,868.52 = 13,662.32 : x
2. Step 2: Convert to fraction form
   23,093.12/31,868.52 = 13,662.32/x
3. Step 3: Cross multiply
   23,093.12x = 31,868.52 × 13,662.32
4. Step 4: Simplify right side
   23,093.12x = 435,397,918.17
5. Step 5: Solve for x
   x = 435,397,918.17/23,093.12
6. Step 6: Final answer
   x = 18,854.01