Finding the Fourth Proportional to 3,663.48, 5,055.59 and 1,984.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.48 : 5,055.59 = 1,984.91 : x
2. Step 2: Convert to fraction form
   3,663.48/5,055.59 = 1,984.91/x
3. Step 3: Cross multiply
   3,663.48x = 5,055.59 × 1,984.91
4. Step 4: Simplify right side
   3,663.48x = 10,034,870.83
5. Step 5: Solve for x
   x = 10,034,870.83/3,663.48
6. Step 6: Final answer
   x = 2,739.16