Finding the Fourth Proportional to 2,369.67, 3,556.32 and 1,072.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.67 : 3,556.32 = 1,072.05 : x
2. Step 2: Convert to fraction form
   2,369.67/3,556.32 = 1,072.05/x
3. Step 3: Cross multiply
   2,369.67x = 3,556.32 × 1,072.05
4. Step 4: Simplify right side
   2,369.67x = 3,812,552.86
5. Step 5: Solve for x
   x = 3,812,552.86/2,369.67
6. Step 6: Final answer
   x = 1,608.90