Finding the Fourth Proportional to 3,118.30, 4,677.18 and 1,269.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118.30 : 4,677.18 = 1,269.61 : x
2. Step 2: Convert to fraction form
   3,118.30/4,677.18 = 1,269.61/x
3. Step 3: Cross multiply
   3,118.30x = 4,677.18 × 1,269.61
4. Step 4: Simplify right side
   3,118.30x = 5,938,194.50
5. Step 5: Solve for x
   x = 5,938,194.50/3,118.30
6. Step 6: Final answer
   x = 1,904.31