Finding the Fourth Proportional to 3,100.41, 4,647.78 and 1,251.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.41 : 4,647.78 = 1,251.18 : x
2. Step 2: Convert to fraction form
   3,100.41/4,647.78 = 1,251.18/x
3. Step 3: Cross multiply
   3,100.41x = 4,647.78 × 1,251.18
4. Step 4: Simplify right side
   3,100.41x = 5,815,209.38
5. Step 5: Solve for x
   x = 5,815,209.38/3,100.41
6. Step 6: Final answer
   x = 1,875.63