Finding the Fourth Proportional to 23,302.38, 32,157.69 and 12,691.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,302.38 : 32,157.69 = 12,691.98 : x
2. Step 2: Convert to fraction form
   23,302.38/32,157.69 = 12,691.98/x
3. Step 3: Cross multiply
   23,302.38x = 32,157.69 × 12,691.98
4. Step 4: Simplify right side
   23,302.38x = 408,144,758.33
5. Step 5: Solve for x
   x = 408,144,758.33/23,302.38
6. Step 6: Final answer
   x = 17,515.15