Finding the Fourth Proportional to 81,458.43, 112,467.56 and 50,878.23

Step by Step Solution

1. Step 1: Write the proportion equation
   81,458.43 : 112,467.56 = 50,878.23 : x
2. Step 2: Convert to fraction form
   81,458.43/112,467.56 = 50,878.23/x
3. Step 3: Cross multiply
   81,458.43x = 112,467.56 × 50,878.23
4. Step 4: Simplify right side
   81,458.43x = 5,722,150,130.83
5. Step 5: Solve for x
   x = 5,722,150,130.83/81,458.43
6. Step 6: Final answer
   x = 70,246.26