Finding the Fourth Proportional to 105,696.90, 158,569.11 and 35,574.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,696.90 : 158,569.11 = 35,574.18 : x
2. Step 2: Convert to fraction form
   105,696.90/158,569.11 = 35,574.18/x
3. Step 3: Cross multiply
   105,696.90x = 158,569.11 × 35,574.18
4. Step 4: Simplify right side
   105,696.90x = 5,640,966,061.58
5. Step 5: Solve for x
   x = 5,640,966,061.58/105,696.90
6. Step 6: Final answer
   x = 53,369.27