Finding the Fourth Proportional to 64,832.48, 89,465.39 and 36,155.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,832.48 : 89,465.39 = 36,155.10 : x
2. Step 2: Convert to fraction form
   64,832.48/89,465.39 = 36,155.10/x
3. Step 3: Cross multiply
   64,832.48x = 89,465.39 × 36,155.10
4. Step 4: Simplify right side
   64,832.48x = 3,234,629,681.55
5. Step 5: Solve for x
   x = 3,234,629,681.55/64,832.48
6. Step 6: Final answer
   x = 49,892.12