Finding the Fourth Proportional to 12,764.38, 17,613.50 and 7,098.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.38 : 17,613.50 = 7,098.22 : x
2. Step 2: Convert to fraction form
   12,764.38/17,613.50 = 7,098.22/x
3. Step 3: Cross multiply
   12,764.38x = 17,613.50 × 7,098.22
4. Step 4: Simplify right side
   12,764.38x = 125,024,418.69
5. Step 5: Solve for x
   x = 125,024,418.69/12,764.38
6. Step 6: Final answer
   x = 9,794.79