Finding the Fourth Proportional to 3,100.74, 4,648.92 and 1,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.74 : 4,648.92 = 1,152.42 : x
2. Step 2: Convert to fraction form
   3,100.74/4,648.92 = 1,152.42/x
3. Step 3: Cross multiply
   3,100.74x = 4,648.92 × 1,152.42
4. Step 4: Simplify right side
   3,100.74x = 5,357,508.39
5. Step 5: Solve for x
   x = 5,357,508.39/3,100.74
6. Step 6: Final answer
   x = 1,727.82