Finding the Fourth Proportional to 12,115.94, 18,174.27 and 3,351.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,115.94 : 18,174.27 = 3,351.50 : x
2. Step 2: Convert to fraction form
   12,115.94/18,174.27 = 3,351.50/x
3. Step 3: Cross multiply
   12,115.94x = 18,174.27 × 3,351.50
4. Step 4: Simplify right side
   12,115.94x = 60,911,065.91
5. Step 5: Solve for x
   x = 60,911,065.91/12,115.94
6. Step 6: Final answer
   x = 5,027.35