Finding the Fourth Proportional to 16,672.86, 24,990.18 and 5,576.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,672.86 : 24,990.18 = 5,576.94 : x
2. Step 2: Convert to fraction form
   16,672.86/24,990.18 = 5,576.94/x
3. Step 3: Cross multiply
   16,672.86x = 24,990.18 × 5,576.94
4. Step 4: Simplify right side
   16,672.86x = 139,368,734.45
5. Step 5: Solve for x
   x = 139,368,734.45/16,672.86
6. Step 6: Final answer
   x = 8,359.02