Finding the Fourth Proportional to 10,995.66, 16,472.82 and 5,442.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,995.66 : 16,472.82 = 5,442.51 : x
2. Step 2: Convert to fraction form
   10,995.66/16,472.82 = 5,442.51/x
3. Step 3: Cross multiply
   10,995.66x = 16,472.82 × 5,442.51
4. Step 4: Simplify right side
   10,995.66x = 89,653,487.58
5. Step 5: Solve for x
   x = 89,653,487.58/10,995.66
6. Step 6: Final answer
   x = 8,153.53