Finding the Fourth Proportional to 105,503.25, 158,293.76 and 55,581.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,503.25 : 158,293.76 = 55,581.33 : x
2. Step 2: Convert to fraction form
   105,503.25/158,293.76 = 55,581.33/x
3. Step 3: Cross multiply
   105,503.25x = 158,293.76 × 55,581.33
4. Step 4: Simplify right side
   105,503.25x = 8,798,177,433.59
5. Step 5: Solve for x
   x = 8,798,177,433.59/105,503.25
6. Step 6: Final answer
   x = 83,392.48