Finding the Fourth Proportional to 111,471.29, 153,958.15 and 73,401.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,471.29 : 153,958.15 = 73,401.03 : x
2. Step 2: Convert to fraction form
   111,471.29/153,958.15 = 73,401.03/x
3. Step 3: Cross multiply
   111,471.29x = 153,958.15 × 73,401.03
4. Step 4: Simplify right side
   111,471.29x = 11,300,686,786.89
5. Step 5: Solve for x
   x = 11,300,686,786.89/111,471.29
6. Step 6: Final answer
   x = 101,377.55