Finding the Fourth Proportional to 2,709.31, 3,738.81 and 1,530.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.31 : 3,738.81 = 1,530.76 : x
2. Step 2: Convert to fraction form
   2,709.31/3,738.81 = 1,530.76/x
3. Step 3: Cross multiply
   2,709.31x = 3,738.81 × 1,530.76
4. Step 4: Simplify right side
   2,709.31x = 5,723,220.80
5. Step 5: Solve for x
   x = 5,723,220.80/2,709.31
6. Step 6: Final answer
   x = 2,112.43