Finding the Fourth Proportional to 2,646.08, 3,969.78 and 1,002.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.08 : 3,969.78 = 1,002.62 : x
2. Step 2: Convert to fraction form
   2,646.08/3,969.78 = 1,002.62/x
3. Step 3: Cross multiply
   2,646.08x = 3,969.78 × 1,002.62
4. Step 4: Simplify right side
   2,646.08x = 3,980,180.82
5. Step 5: Solve for x
   x = 3,980,180.82/2,646.08
6. Step 6: Final answer
   x = 1,504.18