Finding the Fourth Proportional to 13,168.29, 18,154.47 and 8,444.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168.29 : 18,154.47 = 8,444.37 : x
2. Step 2: Convert to fraction form
   13,168.29/18,154.47 = 8,444.37/x
3. Step 3: Cross multiply
   13,168.29x = 18,154.47 × 8,444.37
4. Step 4: Simplify right side
   13,168.29x = 153,303,061.83
5. Step 5: Solve for x
   x = 153,303,061.83/13,168.29
6. Step 6: Final answer
   x = 11,641.84