Finding the Fourth Proportional to 65,160.72, 89,922.96 and 36,872.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,160.72 : 89,922.96 = 36,872.28 : x
2. Step 2: Convert to fraction form
   65,160.72/89,922.96 = 36,872.28/x
3. Step 3: Cross multiply
   65,160.72x = 89,922.96 × 36,872.28
4. Step 4: Simplify right side
   65,160.72x = 3,315,664,559.55
5. Step 5: Solve for x
   x = 3,315,664,559.55/65,160.72
6. Step 6: Final answer
   x = 50,884.41