Finding the Fourth Proportional to 2,275.56, 3,419.78 and 1,351.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.56 : 3,419.78 = 1,351.31 : x
2. Step 2: Convert to fraction form
   2,275.56/3,419.78 = 1,351.31/x
3. Step 3: Cross multiply
   2,275.56x = 3,419.78 × 1,351.31
4. Step 4: Simplify right side
   2,275.56x = 4,621,159.06
5. Step 5: Solve for x
   x = 4,621,159.06/2,275.56
6. Step 6: Final answer
   x = 2,030.78