Finding the Fourth Proportional to 134,404.69, 185,401.23 and 84,016.21

Step by Step Solution

1. Step 1: Write the proportion equation
   134,404.69 : 185,401.23 = 84,016.21 : x
2. Step 2: Convert to fraction form
   134,404.69/185,401.23 = 84,016.21/x
3. Step 3: Cross multiply
   134,404.69x = 185,401.23 × 84,016.21
4. Step 4: Simplify right side
   134,404.69x = 15,576,708,673.94
5. Step 5: Solve for x
   x = 15,576,708,673.94/134,404.69
6. Step 6: Final answer
   x = 115,894.09