Finding the Fourth Proportional to 3,100.18, 4,649.12 and 1,250.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.18 : 4,649.12 = 1,250.80 : x
2. Step 2: Convert to fraction form
   3,100.18/4,649.12 = 1,250.80/x
3. Step 3: Cross multiply
   3,100.18x = 4,649.12 × 1,250.80
4. Step 4: Simplify right side
   3,100.18x = 5,815,119.30
5. Step 5: Solve for x
   x = 5,815,119.30/3,100.18
6. Step 6: Final answer
   x = 1,875.74