Finding the Fourth Proportional to 2,684.27, 3,704.12 and 1,505.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.27 : 3,704.12 = 1,505.31 : x
2. Step 2: Convert to fraction form
   2,684.27/3,704.12 = 1,505.31/x
3. Step 3: Cross multiply
   2,684.27x = 3,704.12 × 1,505.31
4. Step 4: Simplify right side
   2,684.27x = 5,575,852.64
5. Step 5: Solve for x
   x = 5,575,852.64/2,684.27
6. Step 6: Final answer
   x = 2,077.24