Finding the Fourth Proportional to 105,724.35, 158,585.45 and 35,603.19

Step by Step Solution

1. Step 1: Write the proportion equation
   105,724.35 : 158,585.45 = 35,603.19 : x
2. Step 2: Convert to fraction form
   105,724.35/158,585.45 = 35,603.19/x
3. Step 3: Cross multiply
   105,724.35x = 158,585.45 × 35,603.19
4. Step 4: Simplify right side
   105,724.35x = 5,646,147,729.57
5. Step 5: Solve for x
   x = 5,646,147,729.57/105,724.35
6. Step 6: Final answer
   x = 53,404.42