Finding the Fourth Proportional to 10,508.03, 14,500.91 and 5,728.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.03 : 14,500.91 = 5,728.03 : x
2. Step 2: Convert to fraction form
   10,508.03/14,500.91 = 5,728.03/x
3. Step 3: Cross multiply
   10,508.03x = 14,500.91 × 5,728.03
4. Step 4: Simplify right side
   10,508.03x = 83,061,546.36
5. Step 5: Solve for x
   x = 83,061,546.36/10,508.03
6. Step 6: Final answer
   x = 7,904.58