Finding the Fourth Proportional to 12,764.22, 17,613.78 and 7,099.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.22 : 17,613.78 = 7,099.02 : x
2. Step 2: Convert to fraction form
   12,764.22/17,613.78 = 7,099.02/x
3. Step 3: Cross multiply
   12,764.22x = 17,613.78 × 7,099.02
4. Step 4: Simplify right side
   12,764.22x = 125,040,576.50
5. Step 5: Solve for x
   x = 125,040,576.50/12,764.22
6. Step 6: Final answer
   x = 9,796.18