Finding the Fourth Proportional to 7,238.46, 10,859.31 and 2,558.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,238.46 : 10,859.31 = 2,558.82 : x
2. Step 2: Convert to fraction form
   7,238.46/10,859.31 = 2,558.82/x
3. Step 3: Cross multiply
   7,238.46x = 10,859.31 × 2,558.82
4. Step 4: Simplify right side
   7,238.46x = 27,787,019.61
5. Step 5: Solve for x
   x = 27,787,019.61/7,238.46
6. Step 6: Final answer
   x = 3,838.80