Finding the Fourth Proportional to 1,483.16, 2,224.83 and 661.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.16 : 2,224.83 = 661.37 : x
2. Step 2: Convert to fraction form
   1,483.16/2,224.83 = 661.37/x
3. Step 3: Cross multiply
   1,483.16x = 2,224.83 × 661.37
4. Step 4: Simplify right side
   1,483.16x = 1,471,435.82
5. Step 5: Solve for x
   x = 1,471,435.82/1,483.16
6. Step 6: Final answer
   x = 992.10