Finding the Fourth Proportional to 5,714.83, 7,886.59 and 4,039.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.83 : 7,886.59 = 4,039.19 : x
2. Step 2: Convert to fraction form
   5,714.83/7,886.59 = 4,039.19/x
3. Step 3: Cross multiply
   5,714.83x = 7,886.59 × 4,039.19
4. Step 4: Simplify right side
   5,714.83x = 31,855,435.46
5. Step 5: Solve for x
   x = 31,855,435.46/5,714.83
6. Step 6: Final answer
   x = 5,574.17