Finding the Fourth Proportional to 10,508.56, 14,501.74 and 5,728.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.56 : 14,501.74 = 5,728.49 : x
2. Step 2: Convert to fraction form
   10,508.56/14,501.74 = 5,728.49/x
3. Step 3: Cross multiply
   10,508.56x = 14,501.74 × 5,728.49
4. Step 4: Simplify right side
   10,508.56x = 83,073,072.57
5. Step 5: Solve for x
   x = 83,073,072.57/10,508.56
6. Step 6: Final answer
   x = 7,905.28