Finding the Fourth Proportional to 105,765.29, 158,648.48 and 35,645.21

Step by Step Solution

1. Step 1: Write the proportion equation
   105,765.29 : 158,648.48 = 35,645.21 : x
2. Step 2: Convert to fraction form
   105,765.29/158,648.48 = 35,645.21/x
3. Step 3: Cross multiply
   105,765.29x = 158,648.48 × 35,645.21
4. Step 4: Simplify right side
   105,765.29x = 5,655,057,414.31
5. Step 5: Solve for x
   x = 5,655,057,414.31/105,765.29
6. Step 6: Final answer
   x = 53,467.99