Finding the Fourth Proportional to 10,856.52, 14,981.76 and 6,380.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.52 : 14,981.76 = 6,380.73 : x
2. Step 2: Convert to fraction form
   10,856.52/14,981.76 = 6,380.73/x
3. Step 3: Cross multiply
   10,856.52x = 14,981.76 × 6,380.73
4. Step 4: Simplify right side
   10,856.52x = 95,594,565.48
5. Step 5: Solve for x
   x = 95,594,565.48/10,856.52
6. Step 6: Final answer
   x = 8,805.27