Finding the Fourth Proportional to 11,788.67, 17,678.55 and 5,941.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.67 : 17,678.55 = 5,941.28 : x
2. Step 2: Convert to fraction form
   11,788.67/17,678.55 = 5,941.28/x
3. Step 3: Cross multiply
   11,788.67x = 17,678.55 × 5,941.28
4. Step 4: Simplify right side
   11,788.67x = 105,033,215.54
5. Step 5: Solve for x
   x = 105,033,215.54/11,788.67
6. Step 6: Final answer
   x = 8,909.67