Finding the Fourth Proportional to 8,786.91, 12,126.24 and 5,010.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786.91 : 12,126.24 = 5,010.65 : x
2. Step 2: Convert to fraction form
   8,786.91/12,126.24 = 5,010.65/x
3. Step 3: Cross multiply
   8,786.91x = 12,126.24 × 5,010.65
4. Step 4: Simplify right side
   8,786.91x = 60,760,283.82
5. Step 5: Solve for x
   x = 60,760,283.82/8,786.91
6. Step 6: Final answer
   x = 6,914.86