Finding the Fourth Proportional to 8,279.33, 12,404.25 and 7,097.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,279.33 : 12,404.25 = 7,097.75 : x
2. Step 2: Convert to fraction form
   8,279.33/12,404.25 = 7,097.75/x
3. Step 3: Cross multiply
   8,279.33x = 12,404.25 × 7,097.75
4. Step 4: Simplify right side
   8,279.33x = 88,042,203.42
5. Step 5: Solve for x
   x = 88,042,203.42/8,279.33
6. Step 6: Final answer
   x = 10,633.97