Finding the Fourth Proportional to 16,816.71, 25,223.31 and 7,456.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,816.71 : 25,223.31 = 7,456.89 : x
2. Step 2: Convert to fraction form
   16,816.71/25,223.31 = 7,456.89/x
3. Step 3: Cross multiply
   16,816.71x = 25,223.31 × 7,456.89
4. Step 4: Simplify right side
   16,816.71x = 188,087,448.11
5. Step 5: Solve for x
   x = 188,087,448.11/16,816.71
6. Step 6: Final answer
   x = 11,184.56