Finding the Fourth Proportional to 140,662.62, 194,116.71 and 79,412.04

Step by Step Solution

1. Step 1: Write the proportion equation
   140,662.62 : 194,116.71 = 79,412.04 : x
2. Step 2: Convert to fraction form
   140,662.62/194,116.71 = 79,412.04/x
3. Step 3: Cross multiply
   140,662.62x = 194,116.71 × 79,412.04
4. Step 4: Simplify right side
   140,662.62x = 15,415,203,939.19
5. Step 5: Solve for x
   x = 15,415,203,939.19/140,662.62
6. Step 6: Final answer
   x = 109,589.91