Finding the Fourth Proportional to 3,419.31, 4,714.35 and 2,789.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419.31 : 4,714.35 = 2,789.18 : x
2. Step 2: Convert to fraction form
   3,419.31/4,714.35 = 2,789.18/x
3. Step 3: Cross multiply
   3,419.31x = 4,714.35 × 2,789.18
4. Step 4: Simplify right side
   3,419.31x = 13,149,196.59
5. Step 5: Solve for x
   x = 13,149,196.59/3,419.31
6. Step 6: Final answer
   x = 3,845.57