Finding the Fourth Proportional to 81,013.82, 111,767.90 and 50,746.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,013.82 : 111,767.90 = 50,746.46 : x
2. Step 2: Convert to fraction form
   81,013.82/111,767.90 = 50,746.46/x
3. Step 3: Cross multiply
   81,013.82x = 111,767.90 × 50,746.46
4. Step 4: Simplify right side
   81,013.82x = 5,671,824,454.06
5. Step 5: Solve for x
   x = 5,671,824,454.06/81,013.82
6. Step 6: Final answer
   x = 70,010.58