Finding the Fourth Proportional to 65,071.37, 89,797.86 and 36,390.71

Step by Step Solution

1. Step 1: Write the proportion equation
   65,071.37 : 89,797.86 = 36,390.71 : x
2. Step 2: Convert to fraction form
   65,071.37/89,797.86 = 36,390.71/x
3. Step 3: Cross multiply
   65,071.37x = 89,797.86 × 36,390.71
4. Step 4: Simplify right side
   65,071.37x = 3,267,808,197.35
5. Step 5: Solve for x
   x = 3,267,808,197.35/65,071.37
6. Step 6: Final answer
   x = 50,218.83