Finding the Fourth Proportional to 2,645.30, 3,969.57 and 1,002.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.30 : 3,969.57 = 1,002.08 : x
2. Step 2: Convert to fraction form
   2,645.30/3,969.57 = 1,002.08/x
3. Step 3: Cross multiply
   2,645.30x = 3,969.57 × 1,002.08
4. Step 4: Simplify right side
   2,645.30x = 3,977,826.71
5. Step 5: Solve for x
   x = 3,977,826.71/2,645.30
6. Step 6: Final answer
   x = 1,503.73