Finding the Fourth Proportional to 113,945.94, 170,899.20 and 30,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,945.94 : 170,899.20 = 30,820.50 : x
2. Step 2: Convert to fraction form
   113,945.94/170,899.20 = 30,820.50/x
3. Step 3: Cross multiply
   113,945.94x = 170,899.20 × 30,820.50
4. Step 4: Simplify right side
   113,945.94x = 5,267,198,793.60
5. Step 5: Solve for x
   x = 5,267,198,793.60/113,945.94
6. Step 6: Final answer
   x = 46,225.42