Finding the Fourth Proportional to 2,445.49, 3,669.72 and 1,059.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.49 : 3,669.72 = 1,059.19 : x
2. Step 2: Convert to fraction form
   2,445.49/3,669.72 = 1,059.19/x
3. Step 3: Cross multiply
   2,445.49x = 3,669.72 × 1,059.19
4. Step 4: Simplify right side
   2,445.49x = 3,886,930.73
5. Step 5: Solve for x
   x = 3,886,930.73/2,445.49
6. Step 6: Final answer
   x = 1,589.43