Finding the Fourth Proportional to 30,964.28, 42,730.00 and 16,816.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,964.28 : 42,730.00 = 16,816.82 : x
2. Step 2: Convert to fraction form
   30,964.28/42,730.00 = 16,816.82/x
3. Step 3: Cross multiply
   30,964.28x = 42,730.00 × 16,816.82
4. Step 4: Simplify right side
   30,964.28x = 718,582,462.91
5. Step 5: Solve for x
   x = 718,582,462.91/30,964.28
6. Step 6: Final answer
   x = 23,206.82