Finding the Fourth Proportional to 64,826.50, 89,458.33 and 36,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,826.50 : 89,458.33 = 36,530.50 : x
2. Step 2: Convert to fraction form
   64,826.50/89,458.33 = 36,530.50/x
3. Step 3: Cross multiply
   64,826.50x = 89,458.33 × 36,530.50
4. Step 4: Simplify right side
   64,826.50x = 3,267,957,524.07
5. Step 5: Solve for x
   x = 3,267,957,524.07/64,826.50
6. Step 6: Final answer
   x = 50,410.83