Finding the Fourth Proportional to 47,608.56, 71,208.72 and 34,311.60

Step by Step Solution

1. Step 1: Write the proportion equation
   47,608.56 : 71,208.72 = 34,311.60 : x
2. Step 2: Convert to fraction form
   47,608.56/71,208.72 = 34,311.60/x
3. Step 3: Cross multiply
   47,608.56x = 71,208.72 × 34,311.60
4. Step 4: Simplify right side
   47,608.56x = 2,443,285,117.15
5. Step 5: Solve for x
   x = 2,443,285,117.15/47,608.56
6. Step 6: Final answer
   x = 51,320.29