Finding the Fourth Proportional to 2,445.35, 3,667.94 and 1,039.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.35 : 3,667.94 = 1,039.82 : x
2. Step 2: Convert to fraction form
   2,445.35/3,667.94 = 1,039.82/x
3. Step 3: Cross multiply
   2,445.35x = 3,667.94 × 1,039.82
4. Step 4: Simplify right side
   2,445.35x = 3,813,992.17
5. Step 5: Solve for x
   x = 3,813,992.17/2,445.35
6. Step 6: Final answer
   x = 1,559.69