Finding the Fourth Proportional to 17,766.50, 24,518.56 and 10,215.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,766.50 : 24,518.56 = 10,215.28 : x
2. Step 2: Convert to fraction form
   17,766.50/24,518.56 = 10,215.28/x
3. Step 3: Cross multiply
   17,766.50x = 24,518.56 × 10,215.28
4. Step 4: Simplify right side
   17,766.50x = 250,463,955.60
5. Step 5: Solve for x
   x = 250,463,955.60/17,766.50
6. Step 6: Final answer
   x = 14,097.54