Finding the Fourth Proportional to 10,771.02, 16,157.34 and 5,577.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,771.02 : 16,157.34 = 5,577.84 : x
2. Step 2: Convert to fraction form
   10,771.02/16,157.34 = 5,577.84/x
3. Step 3: Cross multiply
   10,771.02x = 16,157.34 × 5,577.84
4. Step 4: Simplify right side
   10,771.02x = 90,123,057.35
5. Step 5: Solve for x
   x = 90,123,057.35/10,771.02
6. Step 6: Final answer
   x = 8,367.18