Finding the Fourth Proportional to 83,789.33, 125,743.94 and 30,481.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,789.33 : 125,743.94 = 30,481.20 : x
2. Step 2: Convert to fraction form
   83,789.33/125,743.94 = 30,481.20/x
3. Step 3: Cross multiply
   83,789.33x = 125,743.94 × 30,481.20
4. Step 4: Simplify right side
   83,789.33x = 3,832,826,031.52
5. Step 5: Solve for x
   x = 3,832,826,031.52/83,789.33
6. Step 6: Final answer
   x = 45,743.61