Finding the Fourth Proportional to 81,051.88, 111,864.56 and 47,517.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,051.88 : 111,864.56 = 47,517.88 : x
2. Step 2: Convert to fraction form
   81,051.88/111,864.56 = 47,517.88/x
3. Step 3: Cross multiply
   81,051.88x = 111,864.56 × 47,517.88
4. Step 4: Simplify right side
   81,051.88x = 5,315,566,738.33
5. Step 5: Solve for x
   x = 5,315,566,738.33/81,051.88
6. Step 6: Final answer
   x = 65,582.28