Finding the Fourth Proportional to 5,238.31, 7,855.78 and 1,727.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238.31 : 7,855.78 = 1,727.52 : x
2. Step 2: Convert to fraction form
   5,238.31/7,855.78 = 1,727.52/x
3. Step 3: Cross multiply
   5,238.31x = 7,855.78 × 1,727.52
4. Step 4: Simplify right side
   5,238.31x = 13,571,044.37
5. Step 5: Solve for x
   x = 13,571,044.37/5,238.31
6. Step 6: Final answer
   x = 2,590.73