Finding the Fourth Proportional to 3,663.59, 5,496.56 and 1,323.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.59 : 5,496.56 = 1,323.59 : x
2. Step 2: Convert to fraction form
   3,663.59/5,496.56 = 1,323.59/x
3. Step 3: Cross multiply
   3,663.59x = 5,496.56 × 1,323.59
4. Step 4: Simplify right side
   3,663.59x = 7,275,157.75
5. Step 5: Solve for x
   x = 7,275,157.75/3,663.59
6. Step 6: Final answer
   x = 1,985.80