Finding the Fourth Proportional to 279,404.73, 419,169.60 and 101,911.74

Step by Step Solution

1. Step 1: Write the proportion equation
   279,404.73 : 419,169.60 = 101,911.74 : x
2. Step 2: Convert to fraction form
   279,404.73/419,169.60 = 101,911.74/x
3. Step 3: Cross multiply
   279,404.73x = 419,169.60 × 101,911.74
4. Step 4: Simplify right side
   279,404.73x = 42,718,305,300.59
5. Step 5: Solve for x
   x = 42,718,305,300.59/279,404.73
6. Step 6: Final answer
   x = 152,890.41