Finding the Fourth Proportional to 3,100.50, 4,648.86 and 1,250.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.50 : 4,648.86 = 1,250.10 : x
2. Step 2: Convert to fraction form
   3,100.50/4,648.86 = 1,250.10/x
3. Step 3: Cross multiply
   3,100.50x = 4,648.86 × 1,250.10
4. Step 4: Simplify right side
   3,100.50x = 5,811,539.89
5. Step 5: Solve for x
   x = 5,811,539.89/3,100.50
6. Step 6: Final answer
   x = 1,874.39