Finding the Fourth Proportional to 17,949.48, 26,929.71 and 9,190.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,949.48 : 26,929.71 = 9,190.59 : x
2. Step 2: Convert to fraction form
   17,949.48/26,929.71 = 9,190.59/x
3. Step 3: Cross multiply
   17,949.48x = 26,929.71 × 9,190.59
4. Step 4: Simplify right side
   17,949.48x = 247,499,923.43
5. Step 5: Solve for x
   x = 247,499,923.43/17,949.48
6. Step 6: Final answer
   x = 13,788.70