Finding the Fourth Proportional to 363,081.85, 501,014.56 and 201,910.84

Step by Step Solution

1. Step 1: Write the proportion equation
   363,081.85 : 501,014.56 = 201,910.84 : x
2. Step 2: Convert to fraction form
   363,081.85/501,014.56 = 201,910.84/x
3. Step 3: Cross multiply
   363,081.85x = 501,014.56 × 201,910.84
4. Step 4: Simplify right side
   363,081.85x = 101,160,270,661.83
5. Step 5: Solve for x
   x = 101,160,270,661.83/363,081.85
6. Step 6: Final answer
   x = 278,615.61