Finding the Fourth Proportional to 113,456.52, 170,171.88 and 30,357

Step by Step Solution

1. Step 1: Write the proportion equation
   113,456.52 : 170,171.88 = 30,357 : x
2. Step 2: Convert to fraction form
   113,456.52/170,171.88 = 30,357/x
3. Step 3: Cross multiply
   113,456.52x = 170,171.88 × 30,357
4. Step 4: Simplify right side
   113,456.52x = 5,165,907,761.16
5. Step 5: Solve for x
   x = 5,165,907,761.16/113,456.52
6. Step 6: Final answer
   x = 45,532.05