Finding the Fourth Proportional to 10,766.16, 16,140.12 and 4,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,766.16 : 16,140.12 = 4,196.94 : x
2. Step 2: Convert to fraction form
   10,766.16/16,140.12 = 4,196.94/x
3. Step 3: Cross multiply
   10,766.16x = 16,140.12 × 4,196.94
4. Step 4: Simplify right side
   10,766.16x = 67,739,115.23
5. Step 5: Solve for x
   x = 67,739,115.23/10,766.16
6. Step 6: Final answer
   x = 6,291.85