Finding the Fourth Proportional to 12,283.42, 18,425.15 and 3,964.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,283.42 : 18,425.15 = 3,964.04 : x
2. Step 2: Convert to fraction form
   12,283.42/18,425.15 = 3,964.04/x
3. Step 3: Cross multiply
   12,283.42x = 18,425.15 × 3,964.04
4. Step 4: Simplify right side
   12,283.42x = 73,038,031.61
5. Step 5: Solve for x
   x = 73,038,031.61/12,283.42
6. Step 6: Final answer
   x = 5,946.07