Finding the Fourth Proportional to 105,805, 158,747.46 and 55,883.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,805 : 158,747.46 = 55,883.08 : x
2. Step 2: Convert to fraction form
   105,805/158,747.46 = 55,883.08/x
3. Step 3: Cross multiply
   105,805x = 158,747.46 × 55,883.08
4. Step 4: Simplify right side
   105,805x = 8,871,297,006.98
5. Step 5: Solve for x
   x = 8,871,297,006.98/105,805
6. Step 6: Final answer
   x = 83,845.73