Finding the Fourth Proportional to 2,031.03, 3,047.48 and 1,105.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.03 : 3,047.48 = 1,105.48 : x
2. Step 2: Convert to fraction form
   2,031.03/3,047.48 = 1,105.48/x
3. Step 3: Cross multiply
   2,031.03x = 3,047.48 × 1,105.48
4. Step 4: Simplify right side
   2,031.03x = 3,368,928.19
5. Step 5: Solve for x
   x = 3,368,928.19/2,031.03
6. Step 6: Final answer
   x = 1,658.73