Finding the Fourth Proportional to 64,764.96, 89,388.21 and 36,470.82

Step by Step Solution

1. Step 1: Write the proportion equation
   64,764.96 : 89,388.21 = 36,470.82 : x
2. Step 2: Convert to fraction form
   64,764.96/89,388.21 = 36,470.82/x
3. Step 3: Cross multiply
   64,764.96x = 89,388.21 × 36,470.82
4. Step 4: Simplify right side
   64,764.96x = 3,260,061,317.03
5. Step 5: Solve for x
   x = 3,260,061,317.03/64,764.96
6. Step 6: Final answer
   x = 50,336.81