Finding the Fourth Proportional to 2,710.30, 3,740.37 and 1,531.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.30 : 3,740.37 = 1,531.78 : x
2. Step 2: Convert to fraction form
   2,710.30/3,740.37 = 1,531.78/x
3. Step 3: Cross multiply
   2,710.30x = 3,740.37 × 1,531.78
4. Step 4: Simplify right side
   2,710.30x = 5,729,423.96
5. Step 5: Solve for x
   x = 5,729,423.96/2,710.30
6. Step 6: Final answer
   x = 2,113.94