Finding the Fourth Proportional to 64,769.69, 89,380.83 and 36,089.24

Step by Step Solution

1. Step 1: Write the proportion equation
   64,769.69 : 89,380.83 = 36,089.24 : x
2. Step 2: Convert to fraction form
   64,769.69/89,380.83 = 36,089.24/x
3. Step 3: Cross multiply
   64,769.69x = 89,380.83 × 36,089.24
4. Step 4: Simplify right side
   64,769.69x = 3,225,686,225.27
5. Step 5: Solve for x
   x = 3,225,686,225.27/64,769.69
6. Step 6: Final answer
   x = 49,802.40