Finding the Fourth Proportional to 10,204.20, 14,081.76 and 5,728.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,204.20 : 14,081.76 = 5,728.02 : x
2. Step 2: Convert to fraction form
   10,204.20/14,081.76 = 5,728.02/x
3. Step 3: Cross multiply
   10,204.20x = 14,081.76 × 5,728.02
4. Step 4: Simplify right side
   10,204.20x = 80,660,602.92
5. Step 5: Solve for x
   x = 80,660,602.92/10,204.20
6. Step 6: Final answer
   x = 7,904.65