Finding the Fourth Proportional to 3,111.90, 4,663.46 and 1,550.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.90 : 4,663.46 = 1,550.42 : x
2. Step 2: Convert to fraction form
   3,111.90/4,663.46 = 1,550.42/x
3. Step 3: Cross multiply
   3,111.90x = 4,663.46 × 1,550.42
4. Step 4: Simplify right side
   3,111.90x = 7,230,321.65
5. Step 5: Solve for x
   x = 7,230,321.65/3,111.90
6. Step 6: Final answer
   x = 2,323.44