Finding the Fourth Proportional to 81,426.33, 112,335.98 and 50,781.39

Step by Step Solution

1. Step 1: Write the proportion equation
   81,426.33 : 112,335.98 = 50,781.39 : x
2. Step 2: Convert to fraction form
   81,426.33/112,335.98 = 50,781.39/x
3. Step 3: Cross multiply
   81,426.33x = 112,335.98 × 50,781.39
4. Step 4: Simplify right side
   81,426.33x = 5,704,576,957.51
5. Step 5: Solve for x
   x = 5,704,576,957.51/81,426.33
6. Step 6: Final answer
   x = 70,058.14