Finding the Fourth Proportional to 363,060.50, 501,035.83 and 199,724.20

Step by Step Solution

1. Step 1: Write the proportion equation
   363,060.50 : 501,035.83 = 199,724.20 : x
2. Step 2: Convert to fraction form
   363,060.50/501,035.83 = 199,724.20/x
3. Step 3: Cross multiply
   363,060.50x = 501,035.83 × 199,724.20
4. Step 4: Simplify right side
   363,060.50x = 100,068,978,566.19
5. Step 5: Solve for x
   x = 100,068,978,566.19/363,060.50
6. Step 6: Final answer
   x = 275,626.18