Finding the Fourth Proportional to 1,991.10, 2,747.52 and 1,106.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991.10 : 2,747.52 = 1,106.84 : x
2. Step 2: Convert to fraction form
   1,991.10/2,747.52 = 1,106.84/x
3. Step 3: Cross multiply
   1,991.10x = 2,747.52 × 1,106.84
4. Step 4: Simplify right side
   1,991.10x = 3,041,065.04
5. Step 5: Solve for x
   x = 3,041,065.04/1,991.10
6. Step 6: Final answer
   x = 1,527.33