Finding the Fourth Proportional to 64,738.09, 89,338.71 and 36,057.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,738.09 : 89,338.71 = 36,057.52 : x
2. Step 2: Convert to fraction form
   64,738.09/89,338.71 = 36,057.52/x
3. Step 3: Cross multiply
   64,738.09x = 89,338.71 × 36,057.52
4. Step 4: Simplify right side
   64,738.09x = 3,221,332,322.60
5. Step 5: Solve for x
   x = 3,221,332,322.60/64,738.09
6. Step 6: Final answer
   x = 49,759.46