Finding the Fourth Proportional to 2,389.69, 3,296.34 and 1,503.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.69 : 3,296.34 = 1,503.95 : x
2. Step 2: Convert to fraction form
   2,389.69/3,296.34 = 1,503.95/x
3. Step 3: Cross multiply
   2,389.69x = 3,296.34 × 1,503.95
4. Step 4: Simplify right side
   2,389.69x = 4,957,538.78
5. Step 5: Solve for x
   x = 4,957,538.78/2,389.69
6. Step 6: Final answer
   x = 2,074.56