Finding the Fourth Proportional to 105,894.06, 158,816.88 and 63,211.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,894.06 : 158,816.88 = 63,211.50 : x
2. Step 2: Convert to fraction form
   105,894.06/158,816.88 = 63,211.50/x
3. Step 3: Cross multiply
   105,894.06x = 158,816.88 × 63,211.50
4. Step 4: Simplify right side
   105,894.06x = 10,039,053,210.12
5. Step 5: Solve for x
   x = 10,039,053,210.12/105,894.06
6. Step 6: Final answer
   x = 94,802.80