Finding the Fourth Proportional to 10,861.43, 16,294.23 and 4,621.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.43 : 16,294.23 = 4,621.32 : x
2. Step 2: Convert to fraction form
   10,861.43/16,294.23 = 4,621.32/x
3. Step 3: Cross multiply
   10,861.43x = 16,294.23 × 4,621.32
4. Step 4: Simplify right side
   10,861.43x = 75,300,850.98
5. Step 5: Solve for x
   x = 75,300,850.98/10,861.43
6. Step 6: Final answer
   x = 6,932.87