Finding the Fourth Proportional to 64,836.83, 89,474.55 and 36,542.18

Step by Step Solution

1. Step 1: Write the proportion equation
   64,836.83 : 89,474.55 = 36,542.18 : x
2. Step 2: Convert to fraction form
   64,836.83/89,474.55 = 36,542.18/x
3. Step 3: Cross multiply
   64,836.83x = 89,474.55 × 36,542.18
4. Step 4: Simplify right side
   64,836.83x = 3,269,595,111.52
5. Step 5: Solve for x
   x = 3,269,595,111.52/64,836.83
6. Step 6: Final answer
   x = 50,428.05