Finding the Fourth Proportional to 105,435.28, 158,152.79 and 34,357.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105,435.28 : 158,152.79 = 34,357.80 : x
2. Step 2: Convert to fraction form
   105,435.28/158,152.79 = 34,357.80/x
3. Step 3: Cross multiply
   105,435.28x = 158,152.79 × 34,357.80
4. Step 4: Simplify right side
   105,435.28x = 5,433,782,349.55
5. Step 5: Solve for x
   x = 5,433,782,349.55/105,435.28
6. Step 6: Final answer
   x = 51,536.66