Finding the Fourth Proportional to 1,667.16, 2,300.67 and 1,004.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.16 : 2,300.67 = 1,004.04 : x
2. Step 2: Convert to fraction form
   1,667.16/2,300.67 = 1,004.04/x
3. Step 3: Cross multiply
   1,667.16x = 2,300.67 × 1,004.04
4. Step 4: Simplify right side
   1,667.16x = 2,309,964.71
5. Step 5: Solve for x
   x = 2,309,964.71/1,667.16
6. Step 6: Final answer
   x = 1,385.57