Finding the Fourth Proportional to 23,656.88, 32,646.96 and 15,287.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,656.88 : 32,646.96 = 15,287.96 : x
2. Step 2: Convert to fraction form
   23,656.88/32,646.96 = 15,287.96/x
3. Step 3: Cross multiply
   23,656.88x = 32,646.96 × 15,287.96
4. Step 4: Simplify right side
   23,656.88x = 499,105,255.37
5. Step 5: Solve for x
   x = 499,105,255.37/23,656.88
6. Step 6: Final answer
   x = 21,097.68