Finding the Fourth Proportional to 123,097.05, 170,014.05 and 82,740.75

Step by Step Solution

1. Step 1: Write the proportion equation
   123,097.05 : 170,014.05 = 82,740.75 : x
2. Step 2: Convert to fraction form
   123,097.05/170,014.05 = 82,740.75/x
3. Step 3: Cross multiply
   123,097.05x = 170,014.05 × 82,740.75
4. Step 4: Simplify right side
   123,097.05x = 14,067,089,959.72
5. Step 5: Solve for x
   x = 14,067,089,959.72/123,097.05
6. Step 6: Final answer
   x = 114,276.42