Finding the Fourth Proportional to 17,942.98, 24,761.31 and 10,389.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,942.98 : 24,761.31 = 10,389.70 : x
2. Step 2: Convert to fraction form
   17,942.98/24,761.31 = 10,389.70/x
3. Step 3: Cross multiply
   17,942.98x = 24,761.31 × 10,389.70
4. Step 4: Simplify right side
   17,942.98x = 257,262,582.51
5. Step 5: Solve for x
   x = 257,262,582.51/17,942.98
6. Step 6: Final answer
   x = 14,337.78