Finding the Fourth Proportional to 10,522.16, 15,786.70 and 3,859.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,522.16 : 15,786.70 = 3,859.92 : x
2. Step 2: Convert to fraction form
   10,522.16/15,786.70 = 3,859.92/x
3. Step 3: Cross multiply
   10,522.16x = 15,786.70 × 3,859.92
4. Step 4: Simplify right side
   10,522.16x = 60,935,399.06
5. Step 5: Solve for x
   x = 60,935,399.06/10,522.16
6. Step 6: Final answer
   x = 5,791.15