Finding the Fourth Proportional to 338,111.78, 466,594.27 and 187,208.78

Step by Step Solution

1. Step 1: Write the proportion equation
   338,111.78 : 466,594.27 = 187,208.78 : x
2. Step 2: Convert to fraction form
   338,111.78/466,594.27 = 187,208.78/x
3. Step 3: Cross multiply
   338,111.78x = 466,594.27 × 187,208.78
4. Step 4: Simplify right side
   338,111.78x = 87,350,544,041.69
5. Step 5: Solve for x
   x = 87,350,544,041.69/338,111.78
6. Step 6: Final answer
   x = 258,348.12