Finding the Fourth Proportional to 8,835.28, 12,196.86 and 5,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,835.28 : 12,196.86 = 5,606.72 : x
2. Step 2: Convert to fraction form
   8,835.28/12,196.86 = 5,606.72/x
3. Step 3: Cross multiply
   8,835.28x = 12,196.86 × 5,606.72
4. Step 4: Simplify right side
   8,835.28x = 68,384,409.39
5. Step 5: Solve for x
   x = 68,384,409.39/8,835.28
6. Step 6: Final answer
   x = 7,739.93