Finding the Fourth Proportional to 23,722.88, 32,739.24 and 13,112.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,722.88 : 32,739.24 = 13,112.28 : x
2. Step 2: Convert to fraction form
   23,722.88/32,739.24 = 13,112.28/x
3. Step 3: Cross multiply
   23,722.88x = 32,739.24 × 13,112.28
4. Step 4: Simplify right side
   23,722.88x = 429,286,081.87
5. Step 5: Solve for x
   x = 429,286,081.87/23,722.88
6. Step 6: Final answer
   x = 18,095.87