Finding the Fourth Proportional to 2,530.32, 3,789.24 and 1,296

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.32 : 3,789.24 = 1,296 : x
2. Step 2: Convert to fraction form
   2,530.32/3,789.24 = 1,296/x
3. Step 3: Cross multiply
   2,530.32x = 3,789.24 × 1,296
4. Step 4: Simplify right side
   2,530.32x = 4,910,855.04
5. Step 5: Solve for x
   x = 4,910,855.04/2,530.32
6. Step 6: Final answer
   x = 1,940.80