Finding the Fourth Proportional to 12,265.71, 18,401.52 and 3,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,265.71 : 18,401.52 = 3,946.50 : x
2. Step 2: Convert to fraction form
   12,265.71/18,401.52 = 3,946.50/x
3. Step 3: Cross multiply
   12,265.71x = 18,401.52 × 3,946.50
4. Step 4: Simplify right side
   12,265.71x = 72,621,598.68
5. Step 5: Solve for x
   x = 72,621,598.68/12,265.71
6. Step 6: Final answer
   x = 5,920.70