Finding the Fourth Proportional to 16,922.67, 25,389.20 and 7,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,922.67 : 25,389.20 = 7,570.56 : x
2. Step 2: Convert to fraction form
   16,922.67/25,389.20 = 7,570.56/x
3. Step 3: Cross multiply
   16,922.67x = 25,389.20 × 7,570.56
4. Step 4: Simplify right side
   16,922.67x = 192,210,424.10
5. Step 5: Solve for x
   x = 192,210,424.10/16,922.67
6. Step 6: Final answer
   x = 11,358.16