Finding the Fourth Proportional to 3,663.30, 5,493.51 and 1,322.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.30 : 5,493.51 = 1,322.94 : x
2. Step 2: Convert to fraction form
   3,663.30/5,493.51 = 1,322.94/x
3. Step 3: Cross multiply
   3,663.30x = 5,493.51 × 1,322.94
4. Step 4: Simplify right side
   3,663.30x = 7,267,584.12
5. Step 5: Solve for x
   x = 7,267,584.12/3,663.30
6. Step 6: Final answer
   x = 1,983.89