Finding the Fourth Proportional to 11,189.26, 16,760.40 and 5,339.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,189.26 : 16,760.40 = 5,339.98 : x
2. Step 2: Convert to fraction form
   11,189.26/16,760.40 = 5,339.98/x
3. Step 3: Cross multiply
   11,189.26x = 16,760.40 × 5,339.98
4. Step 4: Simplify right side
   11,189.26x = 89,500,200.79
5. Step 5: Solve for x
   x = 89,500,200.79/11,189.26
6. Step 6: Final answer
   x = 7,998.76