Finding the Fourth Proportional to 17,980.57, 24,801.61 and 11,930.68

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980.57 : 24,801.61 = 11,930.68 : x
2. Step 2: Convert to fraction form
   17,980.57/24,801.61 = 11,930.68/x
3. Step 3: Cross multiply
   17,980.57x = 24,801.61 × 11,930.68
4. Step 4: Simplify right side
   17,980.57x = 295,900,095.94
5. Step 5: Solve for x
   x = 295,900,095.94/17,980.57
6. Step 6: Final answer
   x = 16,456.66