Finding the Fourth Proportional to 3,890.82, 5,370.20 and 2,474.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890.82 : 5,370.20 = 2,474.23 : x
2. Step 2: Convert to fraction form
   3,890.82/5,370.20 = 2,474.23/x
3. Step 3: Cross multiply
   3,890.82x = 5,370.20 × 2,474.23
4. Step 4: Simplify right side
   3,890.82x = 13,287,109.95
5. Step 5: Solve for x
   x = 13,287,109.95/3,890.82
6. Step 6: Final answer
   x = 3,414.99