Finding the Fourth Proportional to 3,663.28, 5,055.32 and 1,984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.28 : 5,055.32 = 1,984.69 : x
2. Step 2: Convert to fraction form
   3,663.28/5,055.32 = 1,984.69/x
3. Step 3: Cross multiply
   3,663.28x = 5,055.32 × 1,984.69
4. Step 4: Simplify right side
   3,663.28x = 10,033,248.01
5. Step 5: Solve for x
   x = 10,033,248.01/3,663.28
6. Step 6: Final answer
   x = 2,738.87