Finding the Fourth Proportional to 10,876.72, 15,010.81 and 6,339.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.72 : 15,010.81 = 6,339.16 : x
2. Step 2: Convert to fraction form
   10,876.72/15,010.81 = 6,339.16/x
3. Step 3: Cross multiply
   10,876.72x = 15,010.81 × 6,339.16
4. Step 4: Simplify right side
   10,876.72x = 95,155,964.89
5. Step 5: Solve for x
   x = 95,155,964.89/10,876.72
6. Step 6: Final answer
   x = 8,748.59