Finding the Fourth Proportional to 11,568.72, 17,355.82 and 3,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,568.72 : 17,355.82 = 3,777.50 : x
2. Step 2: Convert to fraction form
   11,568.72/17,355.82 = 3,777.50/x
3. Step 3: Cross multiply
   11,568.72x = 17,355.82 × 3,777.50
4. Step 4: Simplify right side
   11,568.72x = 65,561,610.05
5. Step 5: Solve for x
   x = 65,561,610.05/11,568.72
6. Step 6: Final answer
   x = 5,667.14