Finding the Fourth Proportional to 13,843.35, 19,081.98 and 9,054.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843.35 : 19,081.98 = 9,054.81 : x
2. Step 2: Convert to fraction form
   13,843.35/19,081.98 = 9,054.81/x
3. Step 3: Cross multiply
   13,843.35x = 19,081.98 × 9,054.81
4. Step 4: Simplify right side
   13,843.35x = 172,783,703.32
5. Step 5: Solve for x
   x = 172,783,703.32/13,843.35
6. Step 6: Final answer
   x = 12,481.35