Finding the Fourth Proportional to 12,787.09, 17,648.28 and 8,008.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,787.09 : 17,648.28 = 8,008.84 : x
2. Step 2: Convert to fraction form
   12,787.09/17,648.28 = 8,008.84/x
3. Step 3: Cross multiply
   12,787.09x = 17,648.28 × 8,008.84
4. Step 4: Simplify right side
   12,787.09x = 141,342,250.80
5. Step 5: Solve for x
   x = 141,342,250.80/12,787.09
6. Step 6: Final answer
   x = 11,053.52