Finding the Fourth Proportional to 3,668.86, 5,063.03 and 1,990.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.86 : 5,063.03 = 1,990.27 : x
2. Step 2: Convert to fraction form
   3,668.86/5,063.03 = 1,990.27/x
3. Step 3: Cross multiply
   3,668.86x = 5,063.03 × 1,990.27
4. Step 4: Simplify right side
   3,668.86x = 10,076,796.72
5. Step 5: Solve for x
   x = 10,076,796.72/3,668.86
6. Step 6: Final answer
   x = 2,746.57