Finding the Fourth Proportional to 3,440.91, 5,159.79 and 1,100.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,440.91 : 5,159.79 = 1,100.46 : x
2. Step 2: Convert to fraction form
   3,440.91/5,159.79 = 1,100.46/x
3. Step 3: Cross multiply
   3,440.91x = 5,159.79 × 1,100.46
4. Step 4: Simplify right side
   3,440.91x = 5,678,142.50
5. Step 5: Solve for x
   x = 5,678,142.50/3,440.91
6. Step 6: Final answer
   x = 1,650.19