Finding the Fourth Proportional to 3,763.52, 5,644.83 and 990.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.52 : 5,644.83 = 990.41 : x
2. Step 2: Convert to fraction form
   3,763.52/5,644.83 = 990.41/x
3. Step 3: Cross multiply
   3,763.52x = 5,644.83 × 990.41
4. Step 4: Simplify right side
   3,763.52x = 5,590,696.08
5. Step 5: Solve for x
   x = 5,590,696.08/3,763.52
6. Step 6: Final answer
   x = 1,485.50