Finding the Fourth Proportional to 2,725.56, 3,761.52 and 1,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.56 : 3,761.52 = 1,530.72 : x
2. Step 2: Convert to fraction form
   2,725.56/3,761.52 = 1,530.72/x
3. Step 3: Cross multiply
   2,725.56x = 3,761.52 × 1,530.72
4. Step 4: Simplify right side
   2,725.56x = 5,757,833.89
5. Step 5: Solve for x
   x = 5,757,833.89/2,725.56
6. Step 6: Final answer
   x = 2,112.53