Finding the Fourth Proportional to 105,896.06, 158,819.88 and 63,213.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,896.06 : 158,819.88 = 63,213.50 : x
2. Step 2: Convert to fraction form
   105,896.06/158,819.88 = 63,213.50/x
3. Step 3: Cross multiply
   105,896.06x = 158,819.88 × 63,213.50
4. Step 4: Simplify right side
   105,896.06x = 10,039,560,484.38
5. Step 5: Solve for x
   x = 10,039,560,484.38/105,896.06
6. Step 6: Final answer
   x = 94,805.80