Finding the Fourth Proportional to 107,844.35, 161,930.55 and 82,912.55

Step by Step Solution

1. Step 1: Write the proportion equation
   107,844.35 : 161,930.55 = 82,912.55 : x
2. Step 2: Convert to fraction form
   107,844.35/161,930.55 = 82,912.55/x
3. Step 3: Cross multiply
   107,844.35x = 161,930.55 × 82,912.55
4. Step 4: Simplify right side
   107,844.35x = 13,426,074,823.40
5. Step 5: Solve for x
   x = 13,426,074,823.40/107,844.35
6. Step 6: Final answer
   x = 124,494.93