Finding the Fourth Proportional to 71,659.46, 98,917.61 and 47,777.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,659.46 : 98,917.61 = 47,777.42 : x
2. Step 2: Convert to fraction form
   71,659.46/98,917.61 = 47,777.42/x
3. Step 3: Cross multiply
   71,659.46x = 98,917.61 × 47,777.42
4. Step 4: Simplify right side
   71,659.46x = 4,726,027,464.89
5. Step 5: Solve for x
   x = 4,726,027,464.89/71,659.46
6. Step 6: Final answer
   x = 65,951.21