Finding the Fourth Proportional to 2,899.31, 4,348.46 and 1,339.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,899.31 : 4,348.46 = 1,339.18 : x
2. Step 2: Convert to fraction form
   2,899.31/4,348.46 = 1,339.18/x
3. Step 3: Cross multiply
   2,899.31x = 4,348.46 × 1,339.18
4. Step 4: Simplify right side
   2,899.31x = 5,823,387.60
5. Step 5: Solve for x
   x = 5,823,387.60/2,899.31
6. Step 6: Final answer
   x = 2,008.54