Finding the Fourth Proportional to 113,900.20, 170,866.63 and 35,021.05

Step by Step Solution

1. Step 1: Write the proportion equation
   113,900.20 : 170,866.63 = 35,021.05 : x
2. Step 2: Convert to fraction form
   113,900.20/170,866.63 = 35,021.05/x
3. Step 3: Cross multiply
   113,900.20x = 170,866.63 × 35,021.05
4. Step 4: Simplify right side
   113,900.20x = 5,983,928,792.56
5. Step 5: Solve for x
   x = 5,983,928,792.56/113,900.20
6. Step 6: Final answer
   x = 52,536.60