Finding the Fourth Proportional to 12,764.59, 17,613.79 and 7,098.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,764.59 : 17,613.79 = 7,098.42 : x
2. Step 2: Convert to fraction form
   12,764.59/17,613.79 = 7,098.42/x
3. Step 3: Cross multiply
   12,764.59x = 17,613.79 × 7,098.42
4. Step 4: Simplify right side
   12,764.59x = 125,030,028.44
5. Step 5: Solve for x
   x = 125,030,028.44/12,764.59
6. Step 6: Final answer
   x = 9,795.07