Finding the Fourth Proportional to 8,053.72, 12,087.53 and 5,590.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,053.72 : 12,087.53 = 5,590.27 : x
2. Step 2: Convert to fraction form
   8,053.72/12,087.53 = 5,590.27/x
3. Step 3: Cross multiply
   8,053.72x = 12,087.53 × 5,590.27
4. Step 4: Simplify right side
   8,053.72x = 67,572,556.33
5. Step 5: Solve for x
   x = 67,572,556.33/8,053.72
6. Step 6: Final answer
   x = 8,390.23