Finding the Fourth Proportional to 12,051.16, 18,076.20 and 3,286.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.16 : 18,076.20 = 3,286.06 : x
2. Step 2: Convert to fraction form
   12,051.16/18,076.20 = 3,286.06/x
3. Step 3: Cross multiply
   12,051.16x = 18,076.20 × 3,286.06
4. Step 4: Simplify right side
   12,051.16x = 59,399,477.77
5. Step 5: Solve for x
   x = 59,399,477.77/12,051.16
6. Step 6: Final answer
   x = 4,928.94