Finding the Fourth Proportional to 140,648.82, 194,096.70 and 76,987.91

Step by Step Solution

1. Step 1: Write the proportion equation
   140,648.82 : 194,096.70 = 76,987.91 : x
2. Step 2: Convert to fraction form
   140,648.82/194,096.70 = 76,987.91/x
3. Step 3: Cross multiply
   140,648.82x = 194,096.70 × 76,987.91
4. Step 4: Simplify right side
   140,648.82x = 14,943,098,300.41
5. Step 5: Solve for x
   x = 14,943,098,300.41/140,648.82
6. Step 6: Final answer
   x = 106,244.04