Finding the Fourth Proportional to 3,665.19, 5,498.33 and 1,325.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.19 : 5,498.33 = 1,325.37 : x
2. Step 2: Convert to fraction form
   3,665.19/5,498.33 = 1,325.37/x
3. Step 3: Cross multiply
   3,665.19x = 5,498.33 × 1,325.37
4. Step 4: Simplify right side
   3,665.19x = 7,287,315.01
5. Step 5: Solve for x
   x = 7,287,315.01/3,665.19
6. Step 6: Final answer
   x = 1,988.25