Finding the Fourth Proportional to 16,290.71, 24,436.62 and 5,616.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,290.71 : 24,436.62 = 5,616.93 : x
2. Step 2: Convert to fraction form
   16,290.71/24,436.62 = 5,616.93/x
3. Step 3: Cross multiply
   16,290.71x = 24,436.62 × 5,616.93
4. Step 4: Simplify right side
   16,290.71x = 137,258,783.98
5. Step 5: Solve for x
   x = 137,258,783.98/16,290.71
6. Step 6: Final answer
   x = 8,425.59