Finding the Fourth Proportional to 2,030.78, 3,043.74 and 1,106.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.78 : 3,043.74 = 1,106.30 : x
2. Step 2: Convert to fraction form
   2,030.78/3,043.74 = 1,106.30/x
3. Step 3: Cross multiply
   2,030.78x = 3,043.74 × 1,106.30
4. Step 4: Simplify right side
   2,030.78x = 3,367,289.56
5. Step 5: Solve for x
   x = 3,367,289.56/2,030.78
6. Step 6: Final answer
   x = 1,658.13