Finding the Fourth Proportional to 10,992.46, 16,484.59 and 4,416.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.46 : 16,484.59 = 4,416.42 : x
2. Step 2: Convert to fraction form
   10,992.46/16,484.59 = 4,416.42/x
3. Step 3: Cross multiply
   10,992.46x = 16,484.59 × 4,416.42
4. Step 4: Simplify right side
   10,992.46x = 72,802,927.88
5. Step 5: Solve for x
   x = 72,802,927.88/10,992.46
6. Step 6: Final answer
   x = 6,622.99