Finding the Fourth Proportional to 107,661.90, 148,591.89 and 67,391.94

Step by Step Solution

1. Step 1: Write the proportion equation
   107,661.90 : 148,591.89 = 67,391.94 : x
2. Step 2: Convert to fraction form
   107,661.90/148,591.89 = 67,391.94/x
3. Step 3: Cross multiply
   107,661.90x = 148,591.89 × 67,391.94
4. Step 4: Simplify right side
   107,661.90x = 10,013,895,735.37
5. Step 5: Solve for x
   x = 10,013,895,735.37/107,661.90
6. Step 6: Final answer
   x = 93,012.44