Finding the Fourth Proportional to 65,154.43, 89,921.59 and 36,485.01

Step by Step Solution

1. Step 1: Write the proportion equation
   65,154.43 : 89,921.59 = 36,485.01 : x
2. Step 2: Convert to fraction form
   65,154.43/89,921.59 = 36,485.01/x
3. Step 3: Cross multiply
   65,154.43x = 89,921.59 × 36,485.01
4. Step 4: Simplify right side
   65,154.43x = 3,280,790,019.15
5. Step 5: Solve for x
   x = 3,280,790,019.15/65,154.43
6. Step 6: Final answer
   x = 50,354.06