Finding the Fourth Proportional to 2,533.74, 3,496.61 and 1,399.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.74 : 3,496.61 = 1,399.54 : x
2. Step 2: Convert to fraction form
   2,533.74/3,496.61 = 1,399.54/x
3. Step 3: Cross multiply
   2,533.74x = 3,496.61 × 1,399.54
4. Step 4: Simplify right side
   2,533.74x = 4,893,645.56
5. Step 5: Solve for x
   x = 4,893,645.56/2,533.74
6. Step 6: Final answer
   x = 1,931.39