Finding the Fourth Proportional to 1,667.08, 2,501.16 and 801.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.08 : 2,501.16 = 801.28 : x
2. Step 2: Convert to fraction form
   1,667.08/2,501.16 = 801.28/x
3. Step 3: Cross multiply
   1,667.08x = 2,501.16 × 801.28
4. Step 4: Simplify right side
   1,667.08x = 2,004,129.48
5. Step 5: Solve for x
   x = 2,004,129.48/1,667.08
6. Step 6: Final answer
   x = 1,202.18