Finding the Fourth Proportional to 105,774.88, 158,584.56 and 50,409.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,774.88 : 158,584.56 = 50,409.76 : x
2. Step 2: Convert to fraction form
   105,774.88/158,584.56 = 50,409.76/x
3. Step 3: Cross multiply
   105,774.88x = 158,584.56 × 50,409.76
4. Step 4: Simplify right side
   105,774.88x = 7,994,209,609.31
5. Step 5: Solve for x
   x = 7,994,209,609.31/105,774.88
6. Step 6: Final answer
   x = 75,577.58