Finding the Fourth Proportional to 2,709.69, 3,739.32 and 1,531.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.69 : 3,739.32 = 1,531.14 : x
2. Step 2: Convert to fraction form
   2,709.69/3,739.32 = 1,531.14/x
3. Step 3: Cross multiply
   2,709.69x = 3,739.32 × 1,531.14
4. Step 4: Simplify right side
   2,709.69x = 5,725,422.42
5. Step 5: Solve for x
   x = 5,725,422.42/2,709.69
6. Step 6: Final answer
   x = 2,112.94