Finding the Fourth Proportional to 11,567.80, 17,353.35 and 3,774.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,567.80 : 17,353.35 = 3,774.78 : x
2. Step 2: Convert to fraction form
   11,567.80/17,353.35 = 3,774.78/x
3. Step 3: Cross multiply
   11,567.80x = 17,353.35 × 3,774.78
4. Step 4: Simplify right side
   11,567.80x = 65,505,078.51
5. Step 5: Solve for x
   x = 65,505,078.51/11,567.80
6. Step 6: Final answer
   x = 5,662.71