Finding the Fourth Proportional to 16,816.25, 25,162.10 and 10,526.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,816.25 : 25,162.10 = 10,526.15 : x
2. Step 2: Convert to fraction form
   16,816.25/25,162.10 = 10,526.15/x
3. Step 3: Cross multiply
   16,816.25x = 25,162.10 × 10,526.15
4. Step 4: Simplify right side
   16,816.25x = 264,859,986.28
5. Step 5: Solve for x
   x = 264,859,986.28/16,816.25
6. Step 6: Final answer
   x = 15,750.24