Finding the Fourth Proportional to 265,517.10, 398,162.25 and 123,274.62

Step by Step Solution

1. Step 1: Write the proportion equation
   265,517.10 : 398,162.25 = 123,274.62 : x
2. Step 2: Convert to fraction form
   265,517.10/398,162.25 = 123,274.62/x
3. Step 3: Cross multiply
   265,517.10x = 398,162.25 × 123,274.62
4. Step 4: Simplify right side
   265,517.10x = 49,083,300,067.10
5. Step 5: Solve for x
   x = 49,083,300,067.10/265,517.10
6. Step 6: Final answer
   x = 184,859.28