Finding the Fourth Proportional to 83,978.72, 125,974.76 and 27,816.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,978.72 : 125,974.76 = 27,816.56 : x
2. Step 2: Convert to fraction form
   83,978.72/125,974.76 = 27,816.56/x
3. Step 3: Cross multiply
   83,978.72x = 125,974.76 × 27,816.56
4. Step 4: Simplify right side
   83,978.72x = 3,504,184,470.03
5. Step 5: Solve for x
   x = 3,504,184,470.03/83,978.72
6. Step 6: Final answer
   x = 41,727.05