Finding the Fourth Proportional to 2,573.37, 3,865.23 and 1,535.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.37 : 3,865.23 = 1,535.40 : x
2. Step 2: Convert to fraction form
   2,573.37/3,865.23 = 1,535.40/x
3. Step 3: Cross multiply
   2,573.37x = 3,865.23 × 1,535.40
4. Step 4: Simplify right side
   2,573.37x = 5,934,674.14
5. Step 5: Solve for x
   x = 5,934,674.14/2,573.37
6. Step 6: Final answer
   x = 2,306.19