Finding the Fourth Proportional to 12,042.28, 18,065.15 and 3,722.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.28 : 18,065.15 = 3,722.94 : x
2. Step 2: Convert to fraction form
   12,042.28/18,065.15 = 3,722.94/x
3. Step 3: Cross multiply
   12,042.28x = 18,065.15 × 3,722.94
4. Step 4: Simplify right side
   12,042.28x = 67,255,543.72
5. Step 5: Solve for x
   x = 67,255,543.72/12,042.28
6. Step 6: Final answer
   x = 5,584.95