Finding the Fourth Proportional to 119,323.28, 164,644.72 and 67,640.56

Step by Step Solution

1. Step 1: Write the proportion equation
   119,323.28 : 164,644.72 = 67,640.56 : x
2. Step 2: Convert to fraction form
   119,323.28/164,644.72 = 67,640.56/x
3. Step 3: Cross multiply
   119,323.28x = 164,644.72 × 67,640.56
4. Step 4: Simplify right side
   119,323.28x = 11,136,661,061.84
5. Step 5: Solve for x
   x = 11,136,661,061.84/119,323.28
6. Step 6: Final answer
   x = 93,331.84