Finding the Fourth Proportional to 47,766.76, 71,650.04 and 12,706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   47,766.76 : 71,650.04 = 12,706.42 : x
2. Step 2: Convert to fraction form
   47,766.76/71,650.04 = 12,706.42/x
3. Step 3: Cross multiply
   47,766.76x = 71,650.04 × 12,706.42
4. Step 4: Simplify right side
   47,766.76x = 910,415,500.15
5. Step 5: Solve for x
   x = 910,415,500.15/47,766.76
6. Step 6: Final answer
   x = 19,059.60