Finding the Fourth Proportional to 65,143.82, 89,897.61 and 36,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,143.82 : 89,897.61 = 36,849.50 : x
2. Step 2: Convert to fraction form
   65,143.82/89,897.61 = 36,849.50/x
3. Step 3: Cross multiply
   65,143.82x = 89,897.61 × 36,849.50
4. Step 4: Simplify right side
   65,143.82x = 3,312,682,066.25
5. Step 5: Solve for x
   x = 3,312,682,066.25/65,143.82
6. Step 6: Final answer
   x = 50,851.83