Finding the Fourth Proportional to 338,138.89, 466,518.39 and 194,895.86

Step by Step Solution

1. Step 1: Write the proportion equation
   338,138.89 : 466,518.39 = 194,895.86 : x
2. Step 2: Convert to fraction form
   338,138.89/466,518.39 = 194,895.86/x
3. Step 3: Cross multiply
   338,138.89x = 466,518.39 × 194,895.86
4. Step 4: Simplify right side
   338,138.89x = 90,922,499,761.41
5. Step 5: Solve for x
   x = 90,922,499,761.41/338,138.89
6. Step 6: Final answer
   x = 268,890.99