Finding the Fourth Proportional to 8,852.10, 12,136.71 and 8,694.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.10 : 12,136.71 = 8,694.15 : x
2. Step 2: Convert to fraction form
   8,852.10/12,136.71 = 8,694.15/x
3. Step 3: Cross multiply
   8,852.10x = 12,136.71 × 8,694.15
4. Step 4: Simplify right side
   8,852.10x = 105,518,377.25
5. Step 5: Solve for x
   x = 105,518,377.25/8,852.10
6. Step 6: Final answer
   x = 11,920.15