Finding the Fourth Proportional to 17,898.46, 24,700.70 and 9,940.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,898.46 : 24,700.70 = 9,940.72 : x
2. Step 2: Convert to fraction form
   17,898.46/24,700.70 = 9,940.72/x
3. Step 3: Cross multiply
   17,898.46x = 24,700.70 × 9,940.72
4. Step 4: Simplify right side
   17,898.46x = 245,542,742.50
5. Step 5: Solve for x
   x = 245,542,742.50/17,898.46
6. Step 6: Final answer
   x = 13,718.65