Finding the Fourth Proportional to 8,097.86, 12,144.96 and 5,285.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,097.86 : 12,144.96 = 5,285.81 : x
2. Step 2: Convert to fraction form
   8,097.86/12,144.96 = 5,285.81/x
3. Step 3: Cross multiply
   8,097.86x = 12,144.96 × 5,285.81
4. Step 4: Simplify right side
   8,097.86x = 64,195,890.29
5. Step 5: Solve for x
   x = 64,195,890.29/8,097.86
6. Step 6: Final answer
   x = 7,927.52