Finding the Fourth Proportional to 2,906.13, 4,354.56 and 1,345.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906.13 : 4,354.56 = 1,345.31 : x
2. Step 2: Convert to fraction form
   2,906.13/4,354.56 = 1,345.31/x
3. Step 3: Cross multiply
   2,906.13x = 4,354.56 × 1,345.31
4. Step 4: Simplify right side
   2,906.13x = 5,858,227.67
5. Step 5: Solve for x
   x = 5,858,227.67/2,906.13
6. Step 6: Final answer
   x = 2,015.82