Finding the Fourth Proportional to 5,778.48, 8,667.78 and 1,395.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,778.48 : 8,667.78 = 1,395.96 : x
2. Step 2: Convert to fraction form
   5,778.48/8,667.78 = 1,395.96/x
3. Step 3: Cross multiply
   5,778.48x = 8,667.78 × 1,395.96
4. Step 4: Simplify right side
   5,778.48x = 12,099,874.17
5. Step 5: Solve for x
   x = 12,099,874.17/5,778.48
6. Step 6: Final answer
   x = 2,093.95