Finding the Fourth Proportional to 64,874.86, 89,530.41 and 36,579.94

Step by Step Solution

1. Step 1: Write the proportion equation
   64,874.86 : 89,530.41 = 36,579.94 : x
2. Step 2: Convert to fraction form
   64,874.86/89,530.41 = 36,579.94/x
3. Step 3: Cross multiply
   64,874.86x = 89,530.41 × 36,579.94
4. Step 4: Simplify right side
   64,874.86x = 3,275,016,939.32
5. Step 5: Solve for x
   x = 3,275,016,939.32/64,874.86
6. Step 6: Final answer
   x = 50,482.07