Finding the Fourth Proportional to 17,770.50, 24,525.45 and 10,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,770.50 : 24,525.45 = 10,318.50 : x
2. Step 2: Convert to fraction form
   17,770.50/24,525.45 = 10,318.50/x
3. Step 3: Cross multiply
   17,770.50x = 24,525.45 × 10,318.50
4. Step 4: Simplify right side
   17,770.50x = 253,065,855.83
5. Step 5: Solve for x
   x = 253,065,855.83/17,770.50
6. Step 6: Final answer
   x = 14,240.78