Finding the Fourth Proportional to 10,508.18, 14,500.84 and 5,728.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.18 : 14,500.84 = 5,728.01 : x
2. Step 2: Convert to fraction form
   10,508.18/14,500.84 = 5,728.01/x
3. Step 3: Cross multiply
   10,508.18x = 14,500.84 × 5,728.01
4. Step 4: Simplify right side
   10,508.18x = 83,061,018.91
5. Step 5: Solve for x
   x = 83,061,018.91/10,508.18
6. Step 6: Final answer
   x = 7,904.42