Finding the Fourth Proportional to 105,783.88, 158,598.06 and 50,418.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,783.88 : 158,598.06 = 50,418.76 : x
2. Step 2: Convert to fraction form
   105,783.88/158,598.06 = 50,418.76/x
3. Step 3: Cross multiply
   105,783.88x = 158,598.06 × 50,418.76
4. Step 4: Simplify right side
   105,783.88x = 7,996,317,523.61
5. Step 5: Solve for x
   x = 7,996,317,523.61/105,783.88
6. Step 6: Final answer
   x = 75,591.08