Finding the Fourth Proportional to 105,768.08, 158,568.89 and 52,423.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,768.08 : 158,568.89 = 52,423.37 : x
2. Step 2: Convert to fraction form
   105,768.08/158,568.89 = 52,423.37/x
3. Step 3: Cross multiply
   105,768.08x = 158,568.89 × 52,423.37
4. Step 4: Simplify right side
   105,768.08x = 8,312,714,536.00
5. Step 5: Solve for x
   x = 8,312,714,536.00/105,768.08
6. Step 6: Final answer
   x = 78,593.80