Finding the Fourth Proportional to 16,559.55, 24,841.38 and 5,315.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,559.55 : 24,841.38 = 5,315.64 : x
2. Step 2: Convert to fraction form
   16,559.55/24,841.38 = 5,315.64/x
3. Step 3: Cross multiply
   16,559.55x = 24,841.38 × 5,315.64
4. Step 4: Simplify right side
   16,559.55x = 132,047,833.18
5. Step 5: Solve for x
   x = 132,047,833.18/16,559.55
6. Step 6: Final answer
   x = 7,974.12