Finding the Fourth Proportional to 111,713.87, 154,164.06 and 83,161.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,713.87 : 154,164.06 = 83,161.22 : x
2. Step 2: Convert to fraction form
   111,713.87/154,164.06 = 83,161.22/x
3. Step 3: Cross multiply
   111,713.87x = 154,164.06 × 83,161.22
4. Step 4: Simplify right side
   111,713.87x = 12,820,470,538.93
5. Step 5: Solve for x
   x = 12,820,470,538.93/111,713.87
6. Step 6: Final answer
   x = 114,761.67