Finding the Fourth Proportional to 11,489.58, 17,218.17 and 5,234.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,489.58 : 17,218.17 = 5,234.22 : x
2. Step 2: Convert to fraction form
   11,489.58/17,218.17 = 5,234.22/x
3. Step 3: Cross multiply
   11,489.58x = 17,218.17 × 5,234.22
4. Step 4: Simplify right side
   11,489.58x = 90,123,689.78
5. Step 5: Solve for x
   x = 90,123,689.78/11,489.58
6. Step 6: Final answer
   x = 7,843.95