Finding the Fourth Proportional to 16,012.63, 24,002.20 and 5,479.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,012.63 : 24,002.20 = 5,479.11 : x
2. Step 2: Convert to fraction form
   16,012.63/24,002.20 = 5,479.11/x
3. Step 3: Cross multiply
   16,012.63x = 24,002.20 × 5,479.11
4. Step 4: Simplify right side
   16,012.63x = 131,510,694.04
5. Step 5: Solve for x
   x = 131,510,694.04/16,012.63
6. Step 6: Final answer
   x = 8,212.94