Finding the Fourth Proportional to 17,190.86, 23,722.71 and 9,738.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,190.86 : 23,722.71 = 9,738.86 : x
2. Step 2: Convert to fraction form
   17,190.86/23,722.71 = 9,738.86/x
3. Step 3: Cross multiply
   17,190.86x = 23,722.71 × 9,738.86
4. Step 4: Simplify right side
   17,190.86x = 231,032,151.51
5. Step 5: Solve for x
   x = 231,032,151.51/17,190.86
6. Step 6: Final answer
   x = 13,439.24