Finding the Fourth Proportional to 7,238.76, 10,859.78 and 2,308.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,238.76 : 10,859.78 = 2,308.69 : x
2. Step 2: Convert to fraction form
   7,238.76/10,859.78 = 2,308.69/x
3. Step 3: Cross multiply
   7,238.76x = 10,859.78 × 2,308.69
4. Step 4: Simplify right side
   7,238.76x = 25,071,865.49
5. Step 5: Solve for x
   x = 25,071,865.49/7,238.76
6. Step 6: Final answer
   x = 3,463.56