Finding the Fourth Proportional to 2,805.22, 4,207.89 and 1,342.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.22 : 4,207.89 = 1,342.76 : x
2. Step 2: Convert to fraction form
   2,805.22/4,207.89 = 1,342.76/x
3. Step 3: Cross multiply
   2,805.22x = 4,207.89 × 1,342.76
4. Step 4: Simplify right side
   2,805.22x = 5,650,196.90
5. Step 5: Solve for x
   x = 5,650,196.90/2,805.22
6. Step 6: Final answer
   x = 2,014.17