Finding the Fourth Proportional to 10,771.55, 16,150.71 and 4,190.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,771.55 : 16,150.71 = 4,190.07 : x
2. Step 2: Convert to fraction form
   10,771.55/16,150.71 = 4,190.07/x
3. Step 3: Cross multiply
   10,771.55x = 16,150.71 × 4,190.07
4. Step 4: Simplify right side
   10,771.55x = 67,672,605.45
5. Step 5: Solve for x
   x = 67,672,605.45/10,771.55
6. Step 6: Final answer
   x = 6,282.53