Finding the Fourth Proportional to 105,881.64, 158,826.24 and 53,262.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,881.64 : 158,826.24 = 53,262.42 : x
2. Step 2: Convert to fraction form
   105,881.64/158,826.24 = 53,262.42/x
3. Step 3: Cross multiply
   105,881.64x = 158,826.24 × 53,262.42
4. Step 4: Simplify right side
   105,881.64x = 8,459,469,901.90
5. Step 5: Solve for x
   x = 8,459,469,901.90/105,881.64
6. Step 6: Final answer
   x = 79,895.53