Finding the Fourth Proportional to 2,477.39, 3,716.45 and 1,072.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.39 : 3,716.45 = 1,072.18 : x
2. Step 2: Convert to fraction form
   2,477.39/3,716.45 = 1,072.18/x
3. Step 3: Cross multiply
   2,477.39x = 3,716.45 × 1,072.18
4. Step 4: Simplify right side
   2,477.39x = 3,984,706.67
5. Step 5: Solve for x
   x = 3,984,706.67/2,477.39
6. Step 6: Final answer
   x = 1,608.43