Finding the Fourth Proportional to 16,385.93, 24,574.79 and 7,028.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,385.93 : 24,574.79 = 7,028.30 : x
2. Step 2: Convert to fraction form
   16,385.93/24,574.79 = 7,028.30/x
3. Step 3: Cross multiply
   16,385.93x = 24,574.79 × 7,028.30
4. Step 4: Simplify right side
   16,385.93x = 172,718,838.54
5. Step 5: Solve for x
   x = 172,718,838.54/16,385.93
6. Step 6: Final answer
   x = 10,540.68