Finding the Fourth Proportional to 10,105.20, 15,159.42 and 6,826.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.20 : 15,159.42 = 6,826.32 : x
2. Step 2: Convert to fraction form
   10,105.20/15,159.42 = 6,826.32/x
3. Step 3: Cross multiply
   10,105.20x = 15,159.42 × 6,826.32
4. Step 4: Simplify right side
   10,105.20x = 103,483,051.93
5. Step 5: Solve for x
   x = 103,483,051.93/10,105.20
6. Step 6: Final answer
   x = 10,240.57