Finding the Fourth Proportional to 3,601.50, 5,398.41 and 1,867.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.50 : 5,398.41 = 1,867.74 : x
2. Step 2: Convert to fraction form
   3,601.50/5,398.41 = 1,867.74/x
3. Step 3: Cross multiply
   3,601.50x = 5,398.41 × 1,867.74
4. Step 4: Simplify right side
   3,601.50x = 10,082,826.29
5. Step 5: Solve for x
   x = 10,082,826.29/3,601.50
6. Step 6: Final answer
   x = 2,799.62