Finding the Fourth Proportional to 16,567.79, 24,839.57 and 5,316.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,567.79 : 24,839.57 = 5,316.71 : x
2. Step 2: Convert to fraction form
   16,567.79/24,839.57 = 5,316.71/x
3. Step 3: Cross multiply
   16,567.79x = 24,839.57 × 5,316.71
4. Step 4: Simplify right side
   16,567.79x = 132,064,639.43
5. Step 5: Solve for x
   x = 132,064,639.43/16,567.79
6. Step 6: Final answer
   x = 7,971.17