Finding the Fourth Proportional to 65,145.82, 89,900.37 and 36,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,145.82 : 89,900.37 = 36,851.50 : x
2. Step 2: Convert to fraction form
   65,145.82/89,900.37 = 36,851.50/x
3. Step 3: Cross multiply
   65,145.82x = 89,900.37 × 36,851.50
4. Step 4: Simplify right side
   65,145.82x = 3,312,963,485.06
5. Step 5: Solve for x
   x = 3,312,963,485.06/65,145.82
6. Step 6: Final answer
   x = 50,854.58