Finding the Fourth Proportional to 113,576.58, 170,235.72 and 69,105.33

Step by Step Solution

1. Step 1: Write the proportion equation
   113,576.58 : 170,235.72 = 69,105.33 : x
2. Step 2: Convert to fraction form
   113,576.58/170,235.72 = 69,105.33/x
3. Step 3: Cross multiply
   113,576.58x = 170,235.72 × 69,105.33
4. Step 4: Simplify right side
   113,576.58x = 11,764,195,608.39
5. Step 5: Solve for x
   x = 11,764,195,608.39/113,576.58
6. Step 6: Final answer
   x = 103,579.41