Finding the Fourth Proportional to 10,734.72, 14,815.36 and 7,196.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,734.72 : 14,815.36 = 7,196.16 : x
2. Step 2: Convert to fraction form
   10,734.72/14,815.36 = 7,196.16/x
3. Step 3: Cross multiply
   10,734.72x = 14,815.36 × 7,196.16
4. Step 4: Simplify right side
   10,734.72x = 106,613,701.02
5. Step 5: Solve for x
   x = 106,613,701.02/10,734.72
6. Step 6: Final answer
   x = 9,931.67