Finding the Fourth Proportional to 17,898.24, 24,699.72 and 9,940.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,898.24 : 24,699.72 = 9,940.98 : x
2. Step 2: Convert to fraction form
   17,898.24/24,699.72 = 9,940.98/x
3. Step 3: Cross multiply
   17,898.24x = 24,699.72 × 9,940.98
4. Step 4: Simplify right side
   17,898.24x = 245,539,422.53
5. Step 5: Solve for x
   x = 245,539,422.53/17,898.24
6. Step 6: Final answer
   x = 13,718.64