Finding the Fourth Proportional to 12,056.46, 18,081.69 and 3,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056.46 : 18,081.69 = 3,291.42 : x
2. Step 2: Convert to fraction form
   12,056.46/18,081.69 = 3,291.42/x
3. Step 3: Cross multiply
   12,056.46x = 18,081.69 × 3,291.42
4. Step 4: Simplify right side
   12,056.46x = 59,514,436.10
5. Step 5: Solve for x
   x = 59,514,436.10/12,056.46
6. Step 6: Final answer
   x = 4,936.31