Finding the Fourth Proportional to 110,397.60, 165,426.30 and 82,185.30

Step by Step Solution

1. Step 1: Write the proportion equation
   110,397.60 : 165,426.30 = 82,185.30 : x
2. Step 2: Convert to fraction form
   110,397.60/165,426.30 = 82,185.30/x
3. Step 3: Cross multiply
   110,397.60x = 165,426.30 × 82,185.30
4. Step 4: Simplify right side
   110,397.60x = 13,595,610,093.39
5. Step 5: Solve for x
   x = 13,595,610,093.39/110,397.60
6. Step 6: Final answer
   x = 123,151.32