Finding the Fourth Proportional to 81,061.63, 111,866.94 and 50,848.22

Step by Step Solution

1. Step 1: Write the proportion equation
   81,061.63 : 111,866.94 = 50,848.22 : x
2. Step 2: Convert to fraction form
   81,061.63/111,866.94 = 50,848.22/x
3. Step 3: Cross multiply
   81,061.63x = 111,866.94 × 50,848.22
4. Step 4: Simplify right side
   81,061.63x = 5,688,235,055.51
5. Step 5: Solve for x
   x = 5,688,235,055.51/81,061.63
6. Step 6: Final answer
   x = 70,171.74