Finding the Fourth Proportional to 83,789.18, 125,644.28 and 30,443.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,789.18 : 125,644.28 = 30,443.56 : x
2. Step 2: Convert to fraction form
   83,789.18/125,644.28 = 30,443.56/x
3. Step 3: Cross multiply
   83,789.18x = 125,644.28 × 30,443.56
4. Step 4: Simplify right side
   83,789.18x = 3,825,059,176.84
5. Step 5: Solve for x
   x = 3,825,059,176.84/83,789.18
6. Step 6: Final answer
   x = 45,650.99