Finding the Fourth Proportional to 12,269.04, 18,405.27 and 3,946.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.04 : 18,405.27 = 3,946.25 : x
2. Step 2: Convert to fraction form
   12,269.04/18,405.27 = 3,946.25/x
3. Step 3: Cross multiply
   12,269.04x = 18,405.27 × 3,946.25
4. Step 4: Simplify right side
   12,269.04x = 72,631,704.71
5. Step 5: Solve for x
   x = 72,631,704.71/12,269.04
6. Step 6: Final answer
   x = 5,919.92