Finding the Fourth Proportional to 105,758.89, 158,426.79 and 63,615.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,758.89 : 158,426.79 = 63,615.72 : x
2. Step 2: Convert to fraction form
   105,758.89/158,426.79 = 63,615.72/x
3. Step 3: Cross multiply
   105,758.89x = 158,426.79 × 63,615.72
4. Step 4: Simplify right side
   105,758.89x = 10,078,434,313.14
5. Step 5: Solve for x
   x = 10,078,434,313.14/105,758.89
6. Step 6: Final answer
   x = 95,296.33