Finding the Fourth Proportional to 10,508.76, 14,501.88 and 5,728.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.76 : 14,501.88 = 5,728.74 : x
2. Step 2: Convert to fraction form
   10,508.76/14,501.88 = 5,728.74/x
3. Step 3: Cross multiply
   10,508.76x = 14,501.88 × 5,728.74
4. Step 4: Simplify right side
   10,508.76x = 83,077,500.03
5. Step 5: Solve for x
   x = 83,077,500.03/10,508.76
6. Step 6: Final answer
   x = 7,905.55