Finding the Fourth Proportional to 1,666.73, 2,299.16 and 1,003.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.73 : 2,299.16 = 1,003.17 : x
2. Step 2: Convert to fraction form
   1,666.73/2,299.16 = 1,003.17/x
3. Step 3: Cross multiply
   1,666.73x = 2,299.16 × 1,003.17
4. Step 4: Simplify right side
   1,666.73x = 2,306,443.32
5. Step 5: Solve for x
   x = 2,306,443.32/1,666.73
6. Step 6: Final answer
   x = 1,383.82