Finding the Fourth Proportional to 91,983.94, 126,843.33 and 76,870.96

Step by Step Solution

1. Step 1: Write the proportion equation
   91,983.94 : 126,843.33 = 76,870.96 : x
2. Step 2: Convert to fraction form
   91,983.94/126,843.33 = 76,870.96/x
3. Step 3: Cross multiply
   91,983.94x = 126,843.33 × 76,870.96
4. Step 4: Simplify right side
   91,983.94x = 9,750,568,416.98
5. Step 5: Solve for x
   x = 9,750,568,416.98/91,983.94
6. Step 6: Final answer
   x = 106,002.94