Finding the Fourth Proportional to 72,978.76, 100,710.56 and 41,147.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,978.76 : 100,710.56 = 41,147.44 : x
2. Step 2: Convert to fraction form
   72,978.76/100,710.56 = 41,147.44/x
3. Step 3: Cross multiply
   72,978.76x = 100,710.56 × 41,147.44
4. Step 4: Simplify right side
   72,978.76x = 4,143,981,724.97
5. Step 5: Solve for x
   x = 4,143,981,724.97/72,978.76
6. Step 6: Final answer
   x = 56,783.39