Finding the Fourth Proportional to 2,710.49, 3,740.79 and 1,531.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.49 : 3,740.79 = 1,531.55 : x
2. Step 2: Convert to fraction form
   2,710.49/3,740.79 = 1,531.55/x
3. Step 3: Cross multiply
   2,710.49x = 3,740.79 × 1,531.55
4. Step 4: Simplify right side
   2,710.49x = 5,729,188.22
5. Step 5: Solve for x
   x = 5,729,188.22/2,710.49
6. Step 6: Final answer
   x = 2,113.71