Finding the Fourth Proportional to 64,738.37, 89,337.57 and 36,057.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,738.37 : 89,337.57 = 36,057.94 : x
2. Step 2: Convert to fraction form
   64,738.37/89,337.57 = 36,057.94/x
3. Step 3: Cross multiply
   64,738.37x = 89,337.57 × 36,057.94
4. Step 4: Simplify right side
   64,738.37x = 3,221,328,738.81
5. Step 5: Solve for x
   x = 3,221,328,738.81/64,738.37
6. Step 6: Final answer
   x = 49,759.19