Finding the Fourth Proportional to 65,022.21, 89,718.84 and 38,165.85

Step by Step Solution

1. Step 1: Write the proportion equation
   65,022.21 : 89,718.84 = 38,165.85 : x
2. Step 2: Convert to fraction form
   65,022.21/89,718.84 = 38,165.85/x
3. Step 3: Cross multiply
   65,022.21x = 89,718.84 × 38,165.85
4. Step 4: Simplify right side
   65,022.21x = 3,424,195,789.61
5. Step 5: Solve for x
   x = 3,424,195,789.61/65,022.21
6. Step 6: Final answer
   x = 52,661.94