Finding the Fourth Proportional to 338,139.89, 466,519.77 and 194,896.86

Step by Step Solution

1. Step 1: Write the proportion equation
   338,139.89 : 466,519.77 = 194,896.86 : x
2. Step 2: Convert to fraction form
   338,139.89/466,519.77 = 194,896.86/x
3. Step 3: Cross multiply
   338,139.89x = 466,519.77 × 194,896.86
4. Step 4: Simplify right side
   338,139.89x = 90,923,238,300.92
5. Step 5: Solve for x
   x = 90,923,238,300.92/338,139.89
6. Step 6: Final answer
   x = 268,892.38