Finding the Fourth Proportional to 105,846.55, 158,783.90 and 55,928.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,846.55 : 158,783.90 = 55,928.68 : x
2. Step 2: Convert to fraction form
   105,846.55/158,783.90 = 55,928.68/x
3. Step 3: Cross multiply
   105,846.55x = 158,783.90 × 55,928.68
4. Step 4: Simplify right side
   105,846.55x = 8,880,573,255.65
5. Step 5: Solve for x
   x = 8,880,573,255.65/105,846.55
6. Step 6: Final answer
   x = 83,900.45