Finding the Fourth Proportional to 9,856.32, 14,781.24 and 3,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.32 : 14,781.24 = 3,280.56 : x
2. Step 2: Convert to fraction form
   9,856.32/14,781.24 = 3,280.56/x
3. Step 3: Cross multiply
   9,856.32x = 14,781.24 × 3,280.56
4. Step 4: Simplify right side
   9,856.32x = 48,490,744.69
5. Step 5: Solve for x
   x = 48,490,744.69/9,856.32
6. Step 6: Final answer
   x = 4,919.76