Finding the Fourth Proportional to 1,990.50, 2,746.87 and 1,106.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.50 : 2,746.87 = 1,106.38 : x
2. Step 2: Convert to fraction form
   1,990.50/2,746.87 = 1,106.38/x
3. Step 3: Cross multiply
   1,990.50x = 2,746.87 × 1,106.38
4. Step 4: Simplify right side
   1,990.50x = 3,039,082.03
5. Step 5: Solve for x
   x = 3,039,082.03/1,990.50
6. Step 6: Final answer
   x = 1,526.79