Finding the Fourth Proportional to 16,672.61, 25,003.69 and 5,576.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,672.61 : 25,003.69 = 5,576.71 : x
2. Step 2: Convert to fraction form
   16,672.61/25,003.69 = 5,576.71/x
3. Step 3: Cross multiply
   16,672.61x = 25,003.69 × 5,576.71
4. Step 4: Simplify right side
   16,672.61x = 139,438,328.06
5. Step 5: Solve for x
   x = 139,438,328.06/16,672.61
6. Step 6: Final answer
   x = 8,363.32