Finding the Fourth Proportional to 105,626.12, 158,287.50 and 63,523.40

Step by Step Solution

1. Step 1: Write the proportion equation
   105,626.12 : 158,287.50 = 63,523.40 : x
2. Step 2: Convert to fraction form
   105,626.12/158,287.50 = 63,523.40/x
3. Step 3: Cross multiply
   105,626.12x = 158,287.50 × 63,523.40
4. Step 4: Simplify right side
   105,626.12x = 10,054,960,177.50
5. Step 5: Solve for x
   x = 10,054,960,177.50/105,626.12
6. Step 6: Final answer
   x = 95,193.88