Finding the Fourth Proportional to 2,469.96, 3,702.78 and 1,236.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.96 : 3,702.78 = 1,236.12 : x
2. Step 2: Convert to fraction form
   2,469.96/3,702.78 = 1,236.12/x
3. Step 3: Cross multiply
   2,469.96x = 3,702.78 × 1,236.12
4. Step 4: Simplify right side
   2,469.96x = 4,577,080.41
5. Step 5: Solve for x
   x = 4,577,080.41/2,469.96
6. Step 6: Final answer
   x = 1,853.10