Finding the Fourth Proportional to 3,603.17, 5,395.01 and 1,868.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.17 : 5,395.01 = 1,868.15 : x
2. Step 2: Convert to fraction form
   3,603.17/5,395.01 = 1,868.15/x
3. Step 3: Cross multiply
   3,603.17x = 5,395.01 × 1,868.15
4. Step 4: Simplify right side
   3,603.17x = 10,078,665.63
5. Step 5: Solve for x
   x = 10,078,665.63/3,603.17
6. Step 6: Final answer
   x = 2,797.17