Finding the Fourth Proportional to 10,219.32, 15,324.12 and 7,096.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,219.32 : 15,324.12 = 7,096.80 : x
2. Step 2: Convert to fraction form
   10,219.32/15,324.12 = 7,096.80/x
3. Step 3: Cross multiply
   10,219.32x = 15,324.12 × 7,096.80
4. Step 4: Simplify right side
   10,219.32x = 108,752,214.82
5. Step 5: Solve for x
   x = 108,752,214.82/10,219.32
6. Step 6: Final answer
   x = 10,641.82