Finding the Fourth Proportional to 5,774.82, 8,658.72 and 1,878.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,774.82 : 8,658.72 = 1,878.72 : x
2. Step 2: Convert to fraction form
   5,774.82/8,658.72 = 1,878.72/x
3. Step 3: Cross multiply
   5,774.82x = 8,658.72 × 1,878.72
4. Step 4: Simplify right side
   5,774.82x = 16,267,310.44
5. Step 5: Solve for x
   x = 16,267,310.44/5,774.82
6. Step 6: Final answer
   x = 2,816.94