Finding the Fourth Proportional to 11,776.50, 17,664.78 and 3,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776.50 : 17,664.78 = 3,568.50 : x
2. Step 2: Convert to fraction form
   11,776.50/17,664.78 = 3,568.50/x
3. Step 3: Cross multiply
   11,776.50x = 17,664.78 × 3,568.50
4. Step 4: Simplify right side
   11,776.50x = 63,036,767.43
5. Step 5: Solve for x
   x = 63,036,767.43/11,776.50
6. Step 6: Final answer
   x = 5,352.76