Finding the Fourth Proportional to 1,991.01, 2,747.60 and 1,106.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991.01 : 2,747.60 = 1,106.82 : x
2. Step 2: Convert to fraction form
   1,991.01/2,747.60 = 1,106.82/x
3. Step 3: Cross multiply
   1,991.01x = 2,747.60 × 1,106.82
4. Step 4: Simplify right side
   1,991.01x = 3,041,079.36
5. Step 5: Solve for x
   x = 3,041,079.36/1,991.01
6. Step 6: Final answer
   x = 1,527.41