Finding the Fourth Proportional to 140,654.42, 194,103.30 and 76,996.24

Step by Step Solution

1. Step 1: Write the proportion equation
   140,654.42 : 194,103.30 = 76,996.24 : x
2. Step 2: Convert to fraction form
   140,654.42/194,103.30 = 76,996.24/x
3. Step 3: Cross multiply
   140,654.42x = 194,103.30 × 76,996.24
4. Step 4: Simplify right side
   140,654.42x = 14,945,224,271.59
5. Step 5: Solve for x
   x = 14,945,224,271.59/140,654.42
6. Step 6: Final answer
   x = 106,254.92