Finding the Fourth Proportional to 2,006.19, 2,768.54 and 1,109.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.19 : 2,768.54 = 1,109.99 : x
2. Step 2: Convert to fraction form
   2,006.19/2,768.54 = 1,109.99/x
3. Step 3: Cross multiply
   2,006.19x = 2,768.54 × 1,109.99
4. Step 4: Simplify right side
   2,006.19x = 3,073,032.32
5. Step 5: Solve for x
   x = 3,073,032.32/2,006.19
6. Step 6: Final answer
   x = 1,531.78