Finding the Fourth Proportional to 9,196.08, 12,685.86 and 6,212.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.08 : 12,685.86 = 6,212.04 : x
2. Step 2: Convert to fraction form
   9,196.08/12,685.86 = 6,212.04/x
3. Step 3: Cross multiply
   9,196.08x = 12,685.86 × 6,212.04
4. Step 4: Simplify right side
   9,196.08x = 78,805,069.75
5. Step 5: Solve for x
   x = 78,805,069.75/9,196.08
6. Step 6: Final answer
   x = 8,569.42