Finding the Fourth Proportional to 13,367.56, 18,436.06 and 10,018.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,367.56 : 18,436.06 = 10,018.32 : x
2. Step 2: Convert to fraction form
   13,367.56/18,436.06 = 10,018.32/x
3. Step 3: Cross multiply
   13,367.56x = 18,436.06 × 10,018.32
4. Step 4: Simplify right side
   13,367.56x = 184,698,348.62
5. Step 5: Solve for x
   x = 184,698,348.62/13,367.56
6. Step 6: Final answer
   x = 13,816.91