Finding the Fourth Proportional to 10,876.56, 15,009.72 and 5,908.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.56 : 15,009.72 = 5,908.56 : x
2. Step 2: Convert to fraction form
   10,876.56/15,009.72 = 5,908.56/x
3. Step 3: Cross multiply
   10,876.56x = 15,009.72 × 5,908.56
4. Step 4: Simplify right side
   10,876.56x = 88,685,831.20
5. Step 5: Solve for x
   x = 88,685,831.20/10,876.56
6. Step 6: Final answer
   x = 8,153.85