Finding the Fourth Proportional to 111,390.05, 167,128.82 and 49,016.81

Step by Step Solution

1. Step 1: Write the proportion equation
   111,390.05 : 167,128.82 = 49,016.81 : x
2. Step 2: Convert to fraction form
   111,390.05/167,128.82 = 49,016.81/x
3. Step 3: Cross multiply
   111,390.05x = 167,128.82 × 49,016.81
4. Step 4: Simplify right side
   111,390.05x = 8,192,121,972.02
5. Step 5: Solve for x
   x = 8,192,121,972.02/111,390.05
6. Step 6: Final answer
   x = 73,544.47