Finding the Fourth Proportional to 1,120.83, 1,546.17 and 654.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120.83 : 1,546.17 = 654.81 : x
2. Step 2: Convert to fraction form
   1,120.83/1,546.17 = 654.81/x
3. Step 3: Cross multiply
   1,120.83x = 1,546.17 × 654.81
4. Step 4: Simplify right side
   1,120.83x = 1,012,453.08
5. Step 5: Solve for x
   x = 1,012,453.08/1,120.83
6. Step 6: Final answer
   x = 903.30