Finding the Fourth Proportional to 140,589.42, 194,016.54 and 76,927.20

Step by Step Solution

1. Step 1: Write the proportion equation
   140,589.42 : 194,016.54 = 76,927.20 : x
2. Step 2: Convert to fraction form
   140,589.42/194,016.54 = 76,927.20/x
3. Step 3: Cross multiply
   140,589.42x = 194,016.54 × 76,927.20
4. Step 4: Simplify right side
   140,589.42x = 14,925,149,175.89
5. Step 5: Solve for x
   x = 14,925,149,175.89/140,589.42
6. Step 6: Final answer
   x = 106,161.25