Finding the Fourth Proportional to 5,805.93, 8,027.91 and 5,712.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,805.93 : 8,027.91 = 5,712.12 : x
2. Step 2: Convert to fraction form
   5,805.93/8,027.91 = 5,712.12/x
3. Step 3: Cross multiply
   5,805.93x = 8,027.91 × 5,712.12
4. Step 4: Simplify right side
   5,805.93x = 45,856,385.27
5. Step 5: Solve for x
   x = 45,856,385.27/5,805.93
6. Step 6: Final answer
   x = 7,898.20