Finding the Fourth Proportional to 13,168.86, 19,748.04 and 6,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168.86 : 19,748.04 = 6,238.50 : x
2. Step 2: Convert to fraction form
   13,168.86/19,748.04 = 6,238.50/x
3. Step 3: Cross multiply
   13,168.86x = 19,748.04 × 6,238.50
4. Step 4: Simplify right side
   13,168.86x = 123,198,147.54
5. Step 5: Solve for x
   x = 123,198,147.54/13,168.86
6. Step 6: Final answer
   x = 9,355.26