Finding the Fourth Proportional to 8,878.33, 12,252.69 and 5,102.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,878.33 : 12,252.69 = 5,102.72 : x
2. Step 2: Convert to fraction form
   8,878.33/12,252.69 = 5,102.72/x
3. Step 3: Cross multiply
   8,878.33x = 12,252.69 × 5,102.72
4. Step 4: Simplify right side
   8,878.33x = 62,521,959.54
5. Step 5: Solve for x
   x = 62,521,959.54/8,878.33
6. Step 6: Final answer
   x = 7,042.09