Finding the Fourth Proportional to 9,856.15, 14,794.76 and 5,472.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,856.15 : 14,794.76 = 5,472.43 : x
2. Step 2: Convert to fraction form
   9,856.15/14,794.76 = 5,472.43/x
3. Step 3: Cross multiply
   9,856.15x = 14,794.76 × 5,472.43
4. Step 4: Simplify right side
   9,856.15x = 80,963,288.47
5. Step 5: Solve for x
   x = 80,963,288.47/9,856.15
6. Step 6: Final answer
   x = 8,214.49