Finding the Fourth Proportional to 119,280.96, 164,605.88 and 65,564.82

Step by Step Solution

1. Step 1: Write the proportion equation
   119,280.96 : 164,605.88 = 65,564.82 : x
2. Step 2: Convert to fraction form
   119,280.96/164,605.88 = 65,564.82/x
3. Step 3: Cross multiply
   119,280.96x = 164,605.88 × 65,564.82
4. Step 4: Simplify right side
   119,280.96x = 10,792,355,674.33
5. Step 5: Solve for x
   x = 10,792,355,674.33/119,280.96
6. Step 6: Final answer
   x = 90,478.44