Finding the Fourth Proportional to 11,993.87, 17,985.33 and 5,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,993.87 : 17,985.33 = 5,756.82 : x
2. Step 2: Convert to fraction form
   11,993.87/17,985.33 = 5,756.82/x
3. Step 3: Cross multiply
   11,993.87x = 17,985.33 × 5,756.82
4. Step 4: Simplify right side
   11,993.87x = 103,538,307.45
5. Step 5: Solve for x
   x = 103,538,307.45/11,993.87
6. Step 6: Final answer
   x = 8,632.61