Finding the Fourth Proportional to 5,590.01, 7,714.17 and 3,072.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,590.01 : 7,714.17 = 3,072.15 : x
2. Step 2: Convert to fraction form
   5,590.01/7,714.17 = 3,072.15/x
3. Step 3: Cross multiply
   5,590.01x = 7,714.17 × 3,072.15
4. Step 4: Simplify right side
   5,590.01x = 23,699,087.37
5. Step 5: Solve for x
   x = 23,699,087.37/5,590.01
6. Step 6: Final answer
   x = 4,239.54