Finding the Fourth Proportional to 2,646.52, 3,969.30 and 1,002.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646.52 : 3,969.30 = 1,002.53 : x
2. Step 2: Convert to fraction form
   2,646.52/3,969.30 = 1,002.53/x
3. Step 3: Cross multiply
   2,646.52x = 3,969.30 × 1,002.53
4. Step 4: Simplify right side
   2,646.52x = 3,979,333.68
5. Step 5: Solve for x
   x = 3,979,333.68/2,646.52
6. Step 6: Final answer
   x = 1,503.61