Finding the Fourth Proportional to 16,613.98, 25,004.62 and 12,475.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,613.98 : 25,004.62 = 12,475.69 : x
2. Step 2: Convert to fraction form
   16,613.98/25,004.62 = 12,475.69/x
3. Step 3: Cross multiply
   16,613.98x = 25,004.62 × 12,475.69
4. Step 4: Simplify right side
   16,613.98x = 311,949,770.60
5. Step 5: Solve for x
   x = 311,949,770.60/16,613.98
6. Step 6: Final answer
   x = 18,776.34