Finding the Fourth Proportional to 107,901.84, 149,020.72 and 82,133.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,901.84 : 149,020.72 = 82,133.31 : x
2. Step 2: Convert to fraction form
   107,901.84/149,020.72 = 82,133.31/x
3. Step 3: Cross multiply
   107,901.84x = 149,020.72 × 82,133.31
4. Step 4: Simplify right side
   107,901.84x = 12,239,564,786.85
5. Step 5: Solve for x
   x = 12,239,564,786.85/107,901.84
6. Step 6: Final answer
   x = 113,432.40