Finding the Fourth Proportional to 3,663.48, 5,055.56 and 1,984.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.48 : 5,055.56 = 1,984.86 : x
2. Step 2: Convert to fraction form
   3,663.48/5,055.56 = 1,984.86/x
3. Step 3: Cross multiply
   3,663.48x = 5,055.56 × 1,984.86
4. Step 4: Simplify right side
   3,663.48x = 10,034,568.90
5. Step 5: Solve for x
   x = 10,034,568.90/3,663.48
6. Step 6: Final answer
   x = 2,739.08