Finding the Fourth Proportional to 5,283.83, 7,922.78 and 3,619.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,283.83 : 7,922.78 = 3,619.83 : x
2. Step 2: Convert to fraction form
   5,283.83/7,922.78 = 3,619.83/x
3. Step 3: Cross multiply
   5,283.83x = 7,922.78 × 3,619.83
4. Step 4: Simplify right side
   5,283.83x = 28,679,098.63
5. Step 5: Solve for x
   x = 28,679,098.63/5,283.83
6. Step 6: Final answer
   x = 5,427.72