Finding the Fourth Proportional to 1,667.73, 2,300.53 and 1,004.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.73 : 2,300.53 = 1,004.17 : x
2. Step 2: Convert to fraction form
   1,667.73/2,300.53 = 1,004.17/x
3. Step 3: Cross multiply
   1,667.73x = 2,300.53 × 1,004.17
4. Step 4: Simplify right side
   1,667.73x = 2,310,123.21
5. Step 5: Solve for x
   x = 2,310,123.21/1,667.73
6. Step 6: Final answer
   x = 1,385.19