Finding the Fourth Proportional to 2,012.56, 3,019.28 and 714.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.56 : 3,019.28 = 714.04 : x
2. Step 2: Convert to fraction form
   2,012.56/3,019.28 = 714.04/x
3. Step 3: Cross multiply
   2,012.56x = 3,019.28 × 714.04
4. Step 4: Simplify right side
   2,012.56x = 2,155,886.69
5. Step 5: Solve for x
   x = 2,155,886.69/2,012.56
6. Step 6: Final answer
   x = 1,071.22