Finding the Fourth Proportional to 16,806.72, 25,212.42 and 7,446

Step by Step Solution

1. Step 1: Write the proportion equation
   16,806.72 : 25,212.42 = 7,446 : x
2. Step 2: Convert to fraction form
   16,806.72/25,212.42 = 7,446/x
3. Step 3: Cross multiply
   16,806.72x = 25,212.42 × 7,446
4. Step 4: Simplify right side
   16,806.72x = 187,731,679.32
5. Step 5: Solve for x
   x = 187,731,679.32/16,806.72
6. Step 6: Final answer
   x = 11,170.04