Finding the Fourth Proportional to 12,151.59, 18,227.35 and 3,386.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,151.59 : 18,227.35 = 3,386.58 : x
2. Step 2: Convert to fraction form
   12,151.59/18,227.35 = 3,386.58/x
3. Step 3: Cross multiply
   12,151.59x = 18,227.35 × 3,386.58
4. Step 4: Simplify right side
   12,151.59x = 61,728,378.96
5. Step 5: Solve for x
   x = 61,728,378.96/12,151.59
6. Step 6: Final answer
   x = 5,079.86