Finding the Fourth Proportional to 2,911.16, 4,367.48 and 1,267.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.16 : 4,367.48 = 1,267.89 : x
2. Step 2: Convert to fraction form
   2,911.16/4,367.48 = 1,267.89/x
3. Step 3: Cross multiply
   2,911.16x = 4,367.48 × 1,267.89
4. Step 4: Simplify right side
   2,911.16x = 5,537,477.88
5. Step 5: Solve for x
   x = 5,537,477.88/2,911.16
6. Step 6: Final answer
   x = 1,902.16