Finding the Fourth Proportional to 11,550.79, 17,327.81 and 3,757.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.79 : 17,327.81 = 3,757.78 : x
2. Step 2: Convert to fraction form
   11,550.79/17,327.81 = 3,757.78/x
3. Step 3: Cross multiply
   11,550.79x = 17,327.81 × 3,757.78
4. Step 4: Simplify right side
   11,550.79x = 65,114,097.86
5. Step 5: Solve for x
   x = 65,114,097.86/11,550.79
6. Step 6: Final answer
   x = 5,637.20