Finding the Fourth Proportional to 9,864.92, 14,798.35 and 3,940.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.92 : 14,798.35 = 3,940.41 : x
2. Step 2: Convert to fraction form
   9,864.92/14,798.35 = 3,940.41/x
3. Step 3: Cross multiply
   9,864.92x = 14,798.35 × 3,940.41
4. Step 4: Simplify right side
   9,864.92x = 58,311,479.72
5. Step 5: Solve for x
   x = 58,311,479.72/9,864.92
6. Step 6: Final answer
   x = 5,910.99