Finding the Fourth Proportional to 67,789.20, 93,535.32 and 43,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,789.20 : 93,535.32 = 43,912.56 : x
2. Step 2: Convert to fraction form
   67,789.20/93,535.32 = 43,912.56/x
3. Step 3: Cross multiply
   67,789.20x = 93,535.32 × 43,912.56
4. Step 4: Simplify right side
   67,789.20x = 4,107,375,351.62
5. Step 5: Solve for x
   x = 4,107,375,351.62/67,789.20
6. Step 6: Final answer
   x = 60,590.41