Finding the Fourth Proportional to 47,395.83, 70,786.46 and 42,944.61

Step by Step Solution

1. Step 1: Write the proportion equation
   47,395.83 : 70,786.46 = 42,944.61 : x
2. Step 2: Convert to fraction form
   47,395.83/70,786.46 = 42,944.61/x
3. Step 3: Cross multiply
   47,395.83x = 70,786.46 × 42,944.61
4. Step 4: Simplify right side
   47,395.83x = 3,039,896,917.98
5. Step 5: Solve for x
   x = 3,039,896,917.98/47,395.83
6. Step 6: Final answer
   x = 64,138.49