Finding the Fourth Proportional to 65,139.50, 89,892.54 and 36,844.58

Step by Step Solution

1. Step 1: Write the proportion equation
   65,139.50 : 89,892.54 = 36,844.58 : x
2. Step 2: Convert to fraction form
   65,139.50/89,892.54 = 36,844.58/x
3. Step 3: Cross multiply
   65,139.50x = 89,892.54 × 36,844.58
4. Step 4: Simplify right side
   65,139.50x = 3,312,052,881.43
5. Step 5: Solve for x
   x = 3,312,052,881.43/65,139.50
6. Step 6: Final answer
   x = 50,845.54