Finding the Fourth Proportional to 140,956.38, 194,519.61 and 77,294.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,956.38 : 194,519.61 = 77,294.16 : x
2. Step 2: Convert to fraction form
   140,956.38/194,519.61 = 77,294.16/x
3. Step 3: Cross multiply
   140,956.38x = 194,519.61 × 77,294.16
4. Step 4: Simplify right side
   140,956.38x = 15,035,229,858.48
5. Step 5: Solve for x
   x = 15,035,229,858.48/140,956.38
6. Step 6: Final answer
   x = 106,665.83