Finding the Fourth Proportional to 3,598.24, 5,399.78 and 1,868.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,598.24 : 5,399.78 = 1,868.08 : x
2. Step 2: Convert to fraction form
   3,598.24/5,399.78 = 1,868.08/x
3. Step 3: Cross multiply
   3,598.24x = 5,399.78 × 1,868.08
4. Step 4: Simplify right side
   3,598.24x = 10,087,221.02
5. Step 5: Solve for x
   x = 10,087,221.02/3,598.24
6. Step 6: Final answer
   x = 2,803.38