Finding the Fourth Proportional to 1,667.26, 2,499.45 and 802.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.26 : 2,499.45 = 802.18 : x
2. Step 2: Convert to fraction form
   1,667.26/2,499.45 = 802.18/x
3. Step 3: Cross multiply
   1,667.26x = 2,499.45 × 802.18
4. Step 4: Simplify right side
   1,667.26x = 2,005,008.80
5. Step 5: Solve for x
   x = 2,005,008.80/1,667.26
6. Step 6: Final answer
   x = 1,202.58