Finding the Fourth Proportional to 65,131.89, 89,881.98 and 36,836.97

Step by Step Solution

1. Step 1: Write the proportion equation
   65,131.89 : 89,881.98 = 36,836.97 : x
2. Step 2: Convert to fraction form
   65,131.89/89,881.98 = 36,836.97/x
3. Step 3: Cross multiply
   65,131.89x = 89,881.98 × 36,836.97
4. Step 4: Simplify right side
   65,131.89x = 3,310,979,800.80
5. Step 5: Solve for x
   x = 3,310,979,800.80/65,131.89
6. Step 6: Final answer
   x = 50,835.00