Finding the Fourth Proportional to 10,508.17, 14,501.07 and 5,728.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.17 : 14,501.07 = 5,728.15 : x
2. Step 2: Convert to fraction form
   10,508.17/14,501.07 = 5,728.15/x
3. Step 3: Cross multiply
   10,508.17x = 14,501.07 × 5,728.15
4. Step 4: Simplify right side
   10,508.17x = 83,064,275.48
5. Step 5: Solve for x
   x = 83,064,275.48/10,508.17
6. Step 6: Final answer
   x = 7,904.74