Finding the Fourth Proportional to 105,635.28, 158,556.60 and 79,404.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,635.28 : 158,556.60 = 79,404.24 : x
2. Step 2: Convert to fraction form
   105,635.28/158,556.60 = 79,404.24/x
3. Step 3: Cross multiply
   105,635.28x = 158,556.60 × 79,404.24
4. Step 4: Simplify right side
   105,635.28x = 12,590,066,319.98
5. Step 5: Solve for x
   x = 12,590,066,319.98/105,635.28
6. Step 6: Final answer
   x = 119,184.29