Finding the Fourth Proportional to 23,666.27, 32,669.82 and 15,715.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,666.27 : 32,669.82 = 15,715.31 : x
2. Step 2: Convert to fraction form
   23,666.27/32,669.82 = 15,715.31/x
3. Step 3: Cross multiply
   23,666.27x = 32,669.82 × 15,715.31
4. Step 4: Simplify right side
   23,666.27x = 513,416,185.60
5. Step 5: Solve for x
   x = 513,416,185.60/23,666.27
6. Step 6: Final answer
   x = 21,694.01