Finding the Fourth Proportional to 81,303.38, 112,185.27 and 51,067.16

Step by Step Solution

1. Step 1: Write the proportion equation
   81,303.38 : 112,185.27 = 51,067.16 : x
2. Step 2: Convert to fraction form
   81,303.38/112,185.27 = 51,067.16/x
3. Step 3: Cross multiply
   81,303.38x = 112,185.27 × 51,067.16
4. Step 4: Simplify right side
   81,303.38x = 5,728,982,992.50
5. Step 5: Solve for x
   x = 5,728,982,992.50/81,303.38
6. Step 6: Final answer
   x = 70,464.27