Finding the Fourth Proportional to 140,850.42, 194,372.82 and 76,319.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,850.42 : 194,372.82 = 76,319.34 : x
2. Step 2: Convert to fraction form
   140,850.42/194,372.82 = 76,319.34/x
3. Step 3: Cross multiply
   140,850.42x = 194,372.82 × 76,319.34
4. Step 4: Simplify right side
   140,850.42x = 14,834,405,336.34
5. Step 5: Solve for x
   x = 14,834,405,336.34/140,850.42
6. Step 6: Final answer
   x = 105,320.28