Finding the Fourth Proportional to 47,466.34, 71,200.20 and 12,406

Step by Step Solution

1. Step 1: Write the proportion equation
   47,466.34 : 71,200.20 = 12,406 : x
2. Step 2: Convert to fraction form
   47,466.34/71,200.20 = 12,406/x
3. Step 3: Cross multiply
   47,466.34x = 71,200.20 × 12,406
4. Step 4: Simplify right side
   47,466.34x = 883,309,681.20
5. Step 5: Solve for x
   x = 883,309,681.20/47,466.34
6. Step 6: Final answer
   x = 18,609.18