Finding the Fourth Proportional to 111,146.16, 166,361.25 and 73,226.74

Step by Step Solution

1. Step 1: Write the proportion equation
   111,146.16 : 166,361.25 = 73,226.74 : x
2. Step 2: Convert to fraction form
   111,146.16/166,361.25 = 73,226.74/x
3. Step 3: Cross multiply
   111,146.16x = 166,361.25 × 73,226.74
4. Step 4: Simplify right side
   111,146.16x = 12,182,091,999.83
5. Step 5: Solve for x
   x = 12,182,091,999.83/111,146.16
6. Step 6: Final answer
   x = 109,604.25