Finding the Fourth Proportional to 1,210.82, 1,816.83 and 562.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210.82 : 1,816.83 = 562.01 : x
2. Step 2: Convert to fraction form
   1,210.82/1,816.83 = 562.01/x
3. Step 3: Cross multiply
   1,210.82x = 1,816.83 × 562.01
4. Step 4: Simplify right side
   1,210.82x = 1,021,067.54
5. Step 5: Solve for x
   x = 1,021,067.54/1,210.82
6. Step 6: Final answer
   x = 843.29