Finding the Fourth Proportional to 3,100.96, 4,650.28 and 1,251.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.96 : 4,650.28 = 1,251.48 : x
2. Step 2: Convert to fraction form
   3,100.96/4,650.28 = 1,251.48/x
3. Step 3: Cross multiply
   3,100.96x = 4,650.28 × 1,251.48
4. Step 4: Simplify right side
   3,100.96x = 5,819,732.41
5. Step 5: Solve for x
   x = 5,819,732.41/3,100.96
6. Step 6: Final answer
   x = 1,876.75