Finding the Fourth Proportional to 13,148.18, 18,146.48 and 8,046.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,148.18 : 18,146.48 = 8,046.62 : x
2. Step 2: Convert to fraction form
   13,148.18/18,146.48 = 8,046.62/x
3. Step 3: Cross multiply
   13,148.18x = 18,146.48 × 8,046.62
4. Step 4: Simplify right side
   13,148.18x = 146,017,828.90
5. Step 5: Solve for x
   x = 146,017,828.90/13,148.18
6. Step 6: Final answer
   x = 11,105.55