Finding the Fourth Proportional to 8,060.31, 12,084.38 and 5,287.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,060.31 : 12,084.38 = 5,287.68 : x
2. Step 2: Convert to fraction form
   8,060.31/12,084.38 = 5,287.68/x
3. Step 3: Cross multiply
   8,060.31x = 12,084.38 × 5,287.68
4. Step 4: Simplify right side
   8,060.31x = 63,898,308
5. Step 5: Solve for x
   x = 63,898,308/8,060.31
6. Step 6: Final answer
   x = 7,927.52