Finding the Fourth Proportional to 3,118.21, 4,677.18 and 1,269.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118.21 : 4,677.18 = 1,269.25 : x
2. Step 2: Convert to fraction form
   3,118.21/4,677.18 = 1,269.25/x
3. Step 3: Cross multiply
   3,118.21x = 4,677.18 × 1,269.25
4. Step 4: Simplify right side
   3,118.21x = 5,936,510.72
5. Step 5: Solve for x
   x = 5,936,510.72/3,118.21
6. Step 6: Final answer
   x = 1,903.82