Finding the Fourth Proportional to 10,777.72, 16,162.30 and 4,202.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,777.72 : 16,162.30 = 4,202.96 : x
2. Step 2: Convert to fraction form
   10,777.72/16,162.30 = 4,202.96/x
3. Step 3: Cross multiply
   10,777.72x = 16,162.30 × 4,202.96
4. Step 4: Simplify right side
   10,777.72x = 67,929,500.41
5. Step 5: Solve for x
   x = 67,929,500.41/10,777.72
6. Step 6: Final answer
   x = 6,302.77