Finding the Fourth Proportional to 11,087.39, 15,300.72 and 6,613.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.39 : 15,300.72 = 6,613.68 : x
2. Step 2: Convert to fraction form
   11,087.39/15,300.72 = 6,613.68/x
3. Step 3: Cross multiply
   11,087.39x = 15,300.72 × 6,613.68
4. Step 4: Simplify right side
   11,087.39x = 101,194,065.85
5. Step 5: Solve for x
   x = 101,194,065.85/11,087.39
6. Step 6: Final answer
   x = 9,126.96