Finding the Fourth Proportional to 17,900.39, 24,701.70 and 9,943.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,900.39 : 24,701.70 = 9,943.10 : x
2. Step 2: Convert to fraction form
   17,900.39/24,701.70 = 9,943.10/x
3. Step 3: Cross multiply
   17,900.39x = 24,701.70 × 9,943.10
4. Step 4: Simplify right side
   17,900.39x = 245,611,473.27
5. Step 5: Solve for x
   x = 245,611,473.27/17,900.39
6. Step 6: Final answer
   x = 13,721.01