Finding the Fourth Proportional to 81,144.86, 111,960.72 and 47,133.14

Step by Step Solution

1. Step 1: Write the proportion equation
   81,144.86 : 111,960.72 = 47,133.14 : x
2. Step 2: Convert to fraction form
   81,144.86/111,960.72 = 47,133.14/x
3. Step 3: Cross multiply
   81,144.86x = 111,960.72 × 47,133.14
4. Step 4: Simplify right side
   81,144.86x = 5,277,059,734.18
5. Step 5: Solve for x
   x = 5,277,059,734.18/81,144.86
6. Step 6: Final answer
   x = 65,032.58