Finding the Fourth Proportional to 16,809.12, 25,191.78 and 7,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,809.12 : 25,191.78 = 7,451.82 : x
2. Step 2: Convert to fraction form
   16,809.12/25,191.78 = 7,451.82/x
3. Step 3: Cross multiply
   16,809.12x = 25,191.78 × 7,451.82
4. Step 4: Simplify right side
   16,809.12x = 187,724,610.04
5. Step 5: Solve for x
   x = 187,724,610.04/16,809.12
6. Step 6: Final answer
   x = 11,168.02