Finding the Fourth Proportional to 800,184, 1,200,287.52 and 209,208

Step by Step Solution

1. Step 1: Write the proportion equation
   800,184 : 1,200,287.52 = 209,208 : x
2. Step 2: Convert to fraction form
   800,184/1,200,287.52 = 209,208/x
3. Step 3: Cross multiply
   800,184x = 1,200,287.52 × 209,208
4. Step 4: Simplify right side
   800,184x = 251,109,751,484.16
5. Step 5: Solve for x
   x = 251,109,751,484.16/800,184
6. Step 6: Final answer
   x = 313,815.01