Finding the Fourth Proportional to 111,131.22, 166,528.46 and 73,556.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,131.22 : 166,528.46 = 73,556.69 : x
2. Step 2: Convert to fraction form
   111,131.22/166,528.46 = 73,556.69/x
3. Step 3: Cross multiply
   111,131.22x = 166,528.46 × 73,556.69
4. Step 4: Simplify right side
   111,131.22x = 12,249,281,107.97
5. Step 5: Solve for x
   x = 12,249,281,107.97/111,131.22
6. Step 6: Final answer
   x = 110,223.58