Finding the Fourth Proportional to 10,940.97, 16,403.00 and 5,670.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.97 : 16,403.00 = 5,670.21 : x
2. Step 2: Convert to fraction form
   10,940.97/16,403.00 = 5,670.21/x
3. Step 3: Cross multiply
   10,940.97x = 16,403.00 × 5,670.21
4. Step 4: Simplify right side
   10,940.97x = 93,008,426.28
5. Step 5: Solve for x
   x = 93,008,426.28/10,940.97
6. Step 6: Final answer
   x = 8,500.93