Finding the Fourth Proportional to 11,598.88, 17,399.45 and 3,278.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,598.88 : 17,399.45 = 3,278.96 : x
2. Step 2: Convert to fraction form
   11,598.88/17,399.45 = 3,278.96/x
3. Step 3: Cross multiply
   11,598.88x = 17,399.45 × 3,278.96
4. Step 4: Simplify right side
   11,598.88x = 57,052,100.57
5. Step 5: Solve for x
   x = 57,052,100.57/11,598.88
6. Step 6: Final answer
   x = 4,918.76