Finding the Fourth Proportional to 11,790.88, 17,676.38 and 5,122.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,790.88 : 17,676.38 = 5,122.33 : x
2. Step 2: Convert to fraction form
   11,790.88/17,676.38 = 5,122.33/x
3. Step 3: Cross multiply
   11,790.88x = 17,676.38 × 5,122.33
4. Step 4: Simplify right side
   11,790.88x = 90,544,225.95
5. Step 5: Solve for x
   x = 90,544,225.95/11,790.88
6. Step 6: Final answer
   x = 7,679.17