Finding the Fourth Proportional to 16,921.98, 25,384.67 and 5,827.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,921.98 : 25,384.67 = 5,827.20 : x
2. Step 2: Convert to fraction form
   16,921.98/25,384.67 = 5,827.20/x
3. Step 3: Cross multiply
   16,921.98x = 25,384.67 × 5,827.20
4. Step 4: Simplify right side
   16,921.98x = 147,921,519.89
5. Step 5: Solve for x
   x = 147,921,519.89/16,921.98
6. Step 6: Final answer
   x = 8,741.38