Finding the Fourth Proportional to 1,595.72, 2,399.52 and 1,537.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.72 : 2,399.52 = 1,537.40 : x
2. Step 2: Convert to fraction form
   1,595.72/2,399.52 = 1,537.40/x
3. Step 3: Cross multiply
   1,595.72x = 2,399.52 × 1,537.40
4. Step 4: Simplify right side
   1,595.72x = 3,689,022.05
5. Step 5: Solve for x
   x = 3,689,022.05/1,595.72
6. Step 6: Final answer
   x = 2,311.82