Finding the Fourth Proportional to 17,768.92, 26,647.56 and 5,920.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,768.92 : 26,647.56 = 5,920.15 : x
2. Step 2: Convert to fraction form
   17,768.92/26,647.56 = 5,920.15/x
3. Step 3: Cross multiply
   17,768.92x = 26,647.56 × 5,920.15
4. Step 4: Simplify right side
   17,768.92x = 157,757,552.33
5. Step 5: Solve for x
   x = 157,757,552.33/17,768.92
6. Step 6: Final answer
   x = 8,878.29