Finding the Fourth Proportional to 10,934.37, 16,390.59 and 5,666.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,934.37 : 16,390.59 = 5,666.43 : x
2. Step 2: Convert to fraction form
   10,934.37/16,390.59 = 5,666.43/x
3. Step 3: Cross multiply
   10,934.37x = 16,390.59 × 5,666.43
4. Step 4: Simplify right side
   10,934.37x = 92,876,130.89
5. Step 5: Solve for x
   x = 92,876,130.89/10,934.37
6. Step 6: Final answer
   x = 8,493.96