Finding the Fourth Proportional to 8,054.68, 12,096.42 and 5,287

Step by Step Solution

1. Step 1: Write the proportion equation
   8,054.68 : 12,096.42 = 5,287 : x
2. Step 2: Convert to fraction form
   8,054.68/12,096.42 = 5,287/x
3. Step 3: Cross multiply
   8,054.68x = 12,096.42 × 5,287
4. Step 4: Simplify right side
   8,054.68x = 63,953,772.54
5. Step 5: Solve for x
   x = 63,953,772.54/8,054.68
6. Step 6: Final answer
   x = 7,939.95