Finding the Fourth Proportional to 105,503.60, 158,260.52 and 34,426.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,503.60 : 158,260.52 = 34,426.12 : x
2. Step 2: Convert to fraction form
   105,503.60/158,260.52 = 34,426.12/x
3. Step 3: Cross multiply
   105,503.60x = 158,260.52 × 34,426.12
4. Step 4: Simplify right side
   105,503.60x = 5,448,295,652.78
5. Step 5: Solve for x
   x = 5,448,295,652.78/105,503.60
6. Step 6: Final answer
   x = 51,640.85