Finding the Fourth Proportional to 10,208.16, 14,076.18 and 8,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,208.16 : 14,076.18 = 8,870.04 : x
2. Step 2: Convert to fraction form
   10,208.16/14,076.18 = 8,870.04/x
3. Step 3: Cross multiply
   10,208.16x = 14,076.18 × 8,870.04
4. Step 4: Simplify right side
   10,208.16x = 124,856,279.65
5. Step 5: Solve for x
   x = 124,856,279.65/10,208.16
6. Step 6: Final answer
   x = 12,231.03