Finding the Fourth Proportional to 2,469.95, 3,706.39 and 911.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.95 : 3,706.39 = 911.05 : x
2. Step 2: Convert to fraction form
   2,469.95/3,706.39 = 911.05/x
3. Step 3: Cross multiply
   2,469.95x = 3,706.39 × 911.05
4. Step 4: Simplify right side
   2,469.95x = 3,376,714.12
5. Step 5: Solve for x
   x = 3,376,714.12/2,469.95
6. Step 6: Final answer
   x = 1,367.12