Finding the Fourth Proportional to 47,933.60, 71,545.50 and 44,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,933.60 : 71,545.50 = 44,978.72 : x
2. Step 2: Convert to fraction form
   47,933.60/71,545.50 = 44,978.72/x
3. Step 3: Cross multiply
   47,933.60x = 71,545.50 × 44,978.72
4. Step 4: Simplify right side
   47,933.60x = 3,218,025,011.76
5. Step 5: Solve for x
   x = 3,218,025,011.76/47,933.60
6. Step 6: Final answer
   x = 67,135.06