Finding the Fourth Proportional to 5,590.49, 7,714.98 and 3,072.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,590.49 : 7,714.98 = 3,072.83 : x
2. Step 2: Convert to fraction form
   5,590.49/7,714.98 = 3,072.83/x
3. Step 3: Cross multiply
   5,590.49x = 7,714.98 × 3,072.83
4. Step 4: Simplify right side
   5,590.49x = 23,706,783.42
5. Step 5: Solve for x
   x = 23,706,783.42/5,590.49
6. Step 6: Final answer
   x = 4,240.56