Finding the Fourth Proportional to 105,540.98, 158,300.39 and 55,600.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,540.98 : 158,300.39 = 55,600.97 : x
2. Step 2: Convert to fraction form
   105,540.98/158,300.39 = 55,600.97/x
3. Step 3: Cross multiply
   105,540.98x = 158,300.39 × 55,600.97
4. Step 4: Simplify right side
   105,540.98x = 8,801,654,582.88
5. Step 5: Solve for x
   x = 8,801,654,582.88/105,540.98
6. Step 6: Final answer
   x = 83,395.62