Finding the Fourth Proportional to 2,469.81, 3,706.55 and 1,171.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.81 : 3,706.55 = 1,171.29 : x
2. Step 2: Convert to fraction form
   2,469.81/3,706.55 = 1,171.29/x
3. Step 3: Cross multiply
   2,469.81x = 3,706.55 × 1,171.29
4. Step 4: Simplify right side
   2,469.81x = 4,341,444.95
5. Step 5: Solve for x
   x = 4,341,444.95/2,469.81
6. Step 6: Final answer
   x = 1,757.81