Finding the Fourth Proportional to 81,066.39, 111,873.50 and 50,852.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,066.39 : 111,873.50 = 50,852.98 : x
2. Step 2: Convert to fraction form
   81,066.39/111,873.50 = 50,852.98/x
3. Step 3: Cross multiply
   81,066.39x = 111,873.50 × 50,852.98
4. Step 4: Simplify right side
   81,066.39x = 5,689,100,603.77
5. Step 5: Solve for x
   x = 5,689,100,603.77/81,066.39
6. Step 6: Final answer
   x = 70,178.29