Finding the Fourth Proportional to 3,668.83, 5,062.91 and 1,990.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.83 : 5,062.91 = 1,990.17 : x
2. Step 2: Convert to fraction form
   3,668.83/5,062.91 = 1,990.17/x
3. Step 3: Cross multiply
   3,668.83x = 5,062.91 × 1,990.17
4. Step 4: Simplify right side
   3,668.83x = 10,076,041.64
5. Step 5: Solve for x
   x = 10,076,041.64/3,668.83
6. Step 6: Final answer
   x = 2,746.39