Finding the Fourth Proportional to 3,663.01, 5,491.18 and 1,322.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.01 : 5,491.18 = 1,322.47 : x
2. Step 2: Convert to fraction form
   3,663.01/5,491.18 = 1,322.47/x
3. Step 3: Cross multiply
   3,663.01x = 5,491.18 × 1,322.47
4. Step 4: Simplify right side
   3,663.01x = 7,261,920.81
5. Step 5: Solve for x
   x = 7,261,920.81/3,663.01
6. Step 6: Final answer
   x = 1,982.50