Finding the Fourth Proportional to 3,665.52, 5,496.30 and 1,325.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.52 : 5,496.30 = 1,325.16 : x
2. Step 2: Convert to fraction form
   3,665.52/5,496.30 = 1,325.16/x
3. Step 3: Cross multiply
   3,665.52x = 5,496.30 × 1,325.16
4. Step 4: Simplify right side
   3,665.52x = 7,283,476.91
5. Step 5: Solve for x
   x = 7,283,476.91/3,665.52
6. Step 6: Final answer
   x = 1,987.02