Finding the Fourth Proportional to 5,878.69, 8,819.56 and 2,181.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,878.69 : 8,819.56 = 2,181.98 : x
2. Step 2: Convert to fraction form
   5,878.69/8,819.56 = 2,181.98/x
3. Step 3: Cross multiply
   5,878.69x = 8,819.56 × 2,181.98
4. Step 4: Simplify right side
   5,878.69x = 19,244,103.53
5. Step 5: Solve for x
   x = 19,244,103.53/5,878.69
6. Step 6: Final answer
   x = 3,273.54