Finding the Fourth Proportional to 16,081.07, 23,926.96 and 15,679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.07 : 23,926.96 = 15,679.31 : x
2. Step 2: Convert to fraction form
   16,081.07/23,926.96 = 15,679.31/x
3. Step 3: Cross multiply
   16,081.07x = 23,926.96 × 15,679.31
4. Step 4: Simplify right side
   16,081.07x = 375,158,123.16
5. Step 5: Solve for x
   x = 375,158,123.16/16,081.07
6. Step 6: Final answer
   x = 23,329.18