Finding the Fourth Proportional to 65,174.81, 89,920.33 and 36,490.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,174.81 : 89,920.33 = 36,490.25 : x
2. Step 2: Convert to fraction form
   65,174.81/89,920.33 = 36,490.25/x
3. Step 3: Cross multiply
   65,174.81x = 89,920.33 × 36,490.25
4. Step 4: Simplify right side
   65,174.81x = 3,281,214,949.56
5. Step 5: Solve for x
   x = 3,281,214,949.56/65,174.81
6. Step 6: Final answer
   x = 50,344.83