Finding the Fourth Proportional to 105,698.72, 158,564.46 and 35,572.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,698.72 : 158,564.46 = 35,572.56 : x
2. Step 2: Convert to fraction form
   105,698.72/158,564.46 = 35,572.56/x
3. Step 3: Cross multiply
   105,698.72x = 158,564.46 × 35,572.56
4. Step 4: Simplify right side
   105,698.72x = 5,640,543,767.22
5. Step 5: Solve for x
   x = 5,640,543,767.22/105,698.72
6. Step 6: Final answer
   x = 53,364.35