Finding the Fourth Proportional to 65,022.84, 89,730.42 and 36,343.20

Step by Step Solution

1. Step 1: Write the proportion equation
   65,022.84 : 89,730.42 = 36,343.20 : x
2. Step 2: Convert to fraction form
   65,022.84/89,730.42 = 36,343.20/x
3. Step 3: Cross multiply
   65,022.84x = 89,730.42 × 36,343.20
4. Step 4: Simplify right side
   65,022.84x = 3,261,090,600.14
5. Step 5: Solve for x
   x = 3,261,090,600.14/65,022.84
6. Step 6: Final answer
   x = 50,153.00