Finding the Fourth Proportional to 65,082.72, 89,810.64 and 36,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,082.72 : 89,810.64 = 36,786.72 : x
2. Step 2: Convert to fraction form
   65,082.72/89,810.64 = 36,786.72/x
3. Step 3: Cross multiply
   65,082.72x = 89,810.64 × 36,786.72
4. Step 4: Simplify right side
   65,082.72x = 3,303,838,866.70
5. Step 5: Solve for x
   x = 3,303,838,866.70/65,082.72
6. Step 6: Final answer
   x = 50,763.69