Finding the Fourth Proportional to 1,201.83, 1,803.24 and 616.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201.83 : 1,803.24 = 616.54 : x
2. Step 2: Convert to fraction form
   1,201.83/1,803.24 = 616.54/x
3. Step 3: Cross multiply
   1,201.83x = 1,803.24 × 616.54
4. Step 4: Simplify right side
   1,201.83x = 1,111,768.43
5. Step 5: Solve for x
   x = 1,111,768.43/1,201.83
6. Step 6: Final answer
   x = 925.06