Finding the Fourth Proportional to 2,013.52, 3,019.32 and 1,396.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.52 : 3,019.32 = 1,396.72 : x
2. Step 2: Convert to fraction form
   2,013.52/3,019.32 = 1,396.72/x
3. Step 3: Cross multiply
   2,013.52x = 3,019.32 × 1,396.72
4. Step 4: Simplify right side
   2,013.52x = 4,217,144.63
5. Step 5: Solve for x
   x = 4,217,144.63/2,013.52
6. Step 6: Final answer
   x = 2,094.41