Finding the Fourth Proportional to 2,908.13, 4,357.56 and 1,347.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.13 : 4,357.56 = 1,347.31 : x
2. Step 2: Convert to fraction form
   2,908.13/4,357.56 = 1,347.31/x
3. Step 3: Cross multiply
   2,908.13x = 4,357.56 × 1,347.31
4. Step 4: Simplify right side
   2,908.13x = 5,870,984.16
5. Step 5: Solve for x
   x = 5,870,984.16/2,908.13
6. Step 6: Final answer
   x = 2,018.82