Finding the Fourth Proportional to 1,990.62, 2,746.94 and 1,106.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.62 : 2,746.94 = 1,106.37 : x
2. Step 2: Convert to fraction form
   1,990.62/2,746.94 = 1,106.37/x
3. Step 3: Cross multiply
   1,990.62x = 2,746.94 × 1,106.37
4. Step 4: Simplify right side
   1,990.62x = 3,039,126.48
5. Step 5: Solve for x
   x = 3,039,126.48/1,990.62
6. Step 6: Final answer
   x = 1,526.72