Finding the Fourth Proportional to 113,439.48, 170,146.22 and 30,339.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,439.48 : 170,146.22 = 30,339.96 : x
2. Step 2: Convert to fraction form
   113,439.48/170,146.22 = 30,339.96/x
3. Step 3: Cross multiply
   113,439.48x = 170,146.22 × 30,339.96
4. Step 4: Simplify right side
   113,439.48x = 5,162,229,508.95
5. Step 5: Solve for x
   x = 5,162,229,508.95/113,439.48
6. Step 6: Final answer
   x = 45,506.46