Finding the Fourth Proportional to 16,006.72, 24,012.30 and 5,619.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,006.72 : 24,012.30 = 5,619.28 : x
2. Step 2: Convert to fraction form
   16,006.72/24,012.30 = 5,619.28/x
3. Step 3: Cross multiply
   16,006.72x = 24,012.30 × 5,619.28
4. Step 4: Simplify right side
   16,006.72x = 134,931,837.14
5. Step 5: Solve for x
   x = 134,931,837.14/16,006.72
6. Step 6: Final answer
   x = 8,429.70