Finding the Fourth Proportional to 16,871.64, 25,306.25 and 5,184.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.64 : 25,306.25 = 5,184.15 : x
2. Step 2: Convert to fraction form
   16,871.64/25,306.25 = 5,184.15/x
3. Step 3: Cross multiply
   16,871.64x = 25,306.25 × 5,184.15
4. Step 4: Simplify right side
   16,871.64x = 131,191,370.02
5. Step 5: Solve for x
   x = 131,191,370.02/16,871.64
6. Step 6: Final answer
   x = 7,775.85