Finding the Fourth Proportional to 8,875.66, 12,249.59 and 5,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,875.66 : 12,249.59 = 5,689.50 : x
2. Step 2: Convert to fraction form
   8,875.66/12,249.59 = 5,689.50/x
3. Step 3: Cross multiply
   8,875.66x = 12,249.59 × 5,689.50
4. Step 4: Simplify right side
   8,875.66x = 69,694,042.31
5. Step 5: Solve for x
   x = 69,694,042.31/8,875.66
6. Step 6: Final answer
   x = 7,852.27