Finding the Fourth Proportional to 105,821.40, 158,728.86 and 35,694.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,821.40 : 158,728.86 = 35,694.84 : x
2. Step 2: Convert to fraction form
   105,821.40/158,728.86 = 35,694.84/x
3. Step 3: Cross multiply
   105,821.40x = 158,728.86 × 35,694.84
4. Step 4: Simplify right side
   105,821.40x = 5,665,801,261.08
5. Step 5: Solve for x
   x = 5,665,801,261.08/105,821.40
6. Step 6: Final answer
   x = 53,541.17