Finding the Fourth Proportional to 12,051.39, 18,076.89 and 3,286.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.39 : 18,076.89 = 3,286.31 : x
2. Step 2: Convert to fraction form
   12,051.39/18,076.89 = 3,286.31/x
3. Step 3: Cross multiply
   12,051.39x = 18,076.89 × 3,286.31
4. Step 4: Simplify right side
   12,051.39x = 59,406,264.38
5. Step 5: Solve for x
   x = 59,406,264.38/12,051.39
6. Step 6: Final answer
   x = 4,929.41