Finding the Fourth Proportional to 140,661, 194,104.73 and 76,986.48

Step by Step Solution

1. Step 1: Write the proportion equation
   140,661 : 194,104.73 = 76,986.48 : x
2. Step 2: Convert to fraction form
   140,661/194,104.73 = 76,986.48/x
3. Step 3: Cross multiply
   140,661x = 194,104.73 × 76,986.48
4. Step 4: Simplify right side
   140,661x = 14,943,439,529.12
5. Step 5: Solve for x
   x = 14,943,439,529.12/140,661
6. Step 6: Final answer
   x = 106,237.26