Finding the Fourth Proportional to 338,042.42, 466,494.54 and 185,078.78

Step by Step Solution

1. Step 1: Write the proportion equation
   338,042.42 : 466,494.54 = 185,078.78 : x
2. Step 2: Convert to fraction form
   338,042.42/466,494.54 = 185,078.78/x
3. Step 3: Cross multiply
   338,042.42x = 466,494.54 × 185,078.78
4. Step 4: Simplify right side
   338,042.42x = 86,338,240,339.86
5. Step 5: Solve for x
   x = 86,338,240,339.86/338,042.42
6. Step 6: Final answer
   x = 255,406.53