Finding the Fourth Proportional to 140,568.62, 194,064.90 and 92,960.06

Step by Step Solution

1. Step 1: Write the proportion equation
   140,568.62 : 194,064.90 = 92,960.06 : x
2. Step 2: Convert to fraction form
   140,568.62/194,064.90 = 92,960.06/x
3. Step 3: Cross multiply
   140,568.62x = 194,064.90 × 92,960.06
4. Step 4: Simplify right side
   140,568.62x = 18,040,284,747.89
5. Step 5: Solve for x
   x = 18,040,284,747.89/140,568.62
6. Step 6: Final answer
   x = 128,337.92