Finding the Fourth Proportional to 10,962.72, 16,446.51 and 5,116.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,962.72 : 16,446.51 = 5,116.14 : x
2. Step 2: Convert to fraction form
   10,962.72/16,446.51 = 5,116.14/x
3. Step 3: Cross multiply
   10,962.72x = 16,446.51 × 5,116.14
4. Step 4: Simplify right side
   10,962.72x = 84,142,647.67
5. Step 5: Solve for x
   x = 84,142,647.67/10,962.72
6. Step 6: Final answer
   x = 7,675.34