Finding the Fourth Proportional to 5,790.42, 8,690.49 and 3,714.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,790.42 : 8,690.49 = 3,714.39 : x
2. Step 2: Convert to fraction form
   5,790.42/8,690.49 = 3,714.39/x
3. Step 3: Cross multiply
   5,790.42x = 8,690.49 × 3,714.39
4. Step 4: Simplify right side
   5,790.42x = 32,279,869.15
5. Step 5: Solve for x
   x = 32,279,869.15/5,790.42
6. Step 6: Final answer
   x = 5,574.70