Finding the Fourth Proportional to 15,727.21, 23,596.49 and 7,930.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,727.21 : 23,596.49 = 7,930.15 : x
2. Step 2: Convert to fraction form
   15,727.21/23,596.49 = 7,930.15/x
3. Step 3: Cross multiply
   15,727.21x = 23,596.49 × 7,930.15
4. Step 4: Simplify right side
   15,727.21x = 187,123,705.17
5. Step 5: Solve for x
   x = 187,123,705.17/15,727.21
6. Step 6: Final answer
   x = 11,898.09