Finding the Fourth Proportional to 13,155.82, 18,157.06 and 8,054.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,155.82 : 18,157.06 = 8,054.34 : x
2. Step 2: Convert to fraction form
   13,155.82/18,157.06 = 8,054.34/x
3. Step 3: Cross multiply
   13,155.82x = 18,157.06 × 8,054.34
4. Step 4: Simplify right side
   13,155.82x = 146,243,076.62
5. Step 5: Solve for x
   x = 146,243,076.62/13,155.82
6. Step 6: Final answer
   x = 11,116.23