Finding the Fourth Proportional to 2,389.28, 3,296.28 and 1,504.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.28 : 3,296.28 = 1,504.72 : x
2. Step 2: Convert to fraction form
   2,389.28/3,296.28 = 1,504.72/x
3. Step 3: Cross multiply
   2,389.28x = 3,296.28 × 1,504.72
4. Step 4: Simplify right side
   2,389.28x = 4,959,978.44
5. Step 5: Solve for x
   x = 4,959,978.44/2,389.28
6. Step 6: Final answer
   x = 2,075.93