Finding the Fourth Proportional to 105,806.50, 158,749.71 and 55,884.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,806.50 : 158,749.71 = 55,884.58 : x
2. Step 2: Convert to fraction form
   105,806.50/158,749.71 = 55,884.58/x
3. Step 3: Cross multiply
   105,806.50x = 158,749.71 × 55,884.58
4. Step 4: Simplify right side
   105,806.50x = 8,871,660,868.47
5. Step 5: Solve for x
   x = 8,871,660,868.47/105,806.50
6. Step 6: Final answer
   x = 83,847.98