Finding the Fourth Proportional to 111,097.22, 166,535.06 and 71,682.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,097.22 : 166,535.06 = 71,682.03 : x
2. Step 2: Convert to fraction form
   111,097.22/166,535.06 = 71,682.03/x
3. Step 3: Cross multiply
   111,097.22x = 166,535.06 × 71,682.03
4. Step 4: Simplify right side
   111,097.22x = 11,937,570,808.56
5. Step 5: Solve for x
   x = 11,937,570,808.56/111,097.22
6. Step 6: Final answer
   x = 107,451.58