Finding the Fourth Proportional to 81,051.38, 111,863.87 and 47,517.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,051.38 : 111,863.87 = 47,517.38 : x
2. Step 2: Convert to fraction form
   81,051.38/111,863.87 = 47,517.38/x
3. Step 3: Cross multiply
   81,051.38x = 111,863.87 × 47,517.38
4. Step 4: Simplify right side
   81,051.38x = 5,315,477,222.15
5. Step 5: Solve for x
   x = 5,315,477,222.15/81,051.38
6. Step 6: Final answer
   x = 65,581.58