Finding the Fourth Proportional to 64,861.59, 89,510.37 and 36,567.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,861.59 : 89,510.37 = 36,567.28 : x
2. Step 2: Convert to fraction form
   64,861.59/89,510.37 = 36,567.28/x
3. Step 3: Cross multiply
   64,861.59x = 89,510.37 × 36,567.28
4. Step 4: Simplify right side
   64,861.59x = 3,273,150,737.45
5. Step 5: Solve for x
   x = 3,273,150,737.45/64,861.59
6. Step 6: Final answer
   x = 50,463.62