Finding the Fourth Proportional to 10,351.36, 15,500.56 and 6,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,351.36 : 15,500.56 = 6,830.72 : x
2. Step 2: Convert to fraction form
   10,351.36/15,500.56 = 6,830.72/x
3. Step 3: Cross multiply
   10,351.36x = 15,500.56 × 6,830.72
4. Step 4: Simplify right side
   10,351.36x = 105,879,985.20
5. Step 5: Solve for x
   x = 105,879,985.20/10,351.36
6. Step 6: Final answer
   x = 10,228.61