Finding the Fourth Proportional to 2,644.98, 3,967.52 and 1,002.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.98 : 3,967.52 = 1,002.30 : x
2. Step 2: Convert to fraction form
   2,644.98/3,967.52 = 1,002.30/x
3. Step 3: Cross multiply
   2,644.98x = 3,967.52 × 1,002.30
4. Step 4: Simplify right side
   2,644.98x = 3,976,640.28
5. Step 5: Solve for x
   x = 3,976,640.28/2,644.98
6. Step 6: Final answer
   x = 1,503.47