Finding the Fourth Proportional to 2,212.09, 3,052.52 and 1,267.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.09 : 3,052.52 = 1,267.87 : x
2. Step 2: Convert to fraction form
   2,212.09/3,052.52 = 1,267.87/x
3. Step 3: Cross multiply
   2,212.09x = 3,052.52 × 1,267.87
4. Step 4: Simplify right side
   2,212.09x = 3,870,192.19
5. Step 5: Solve for x
   x = 3,870,192.19/2,212.09
6. Step 6: Final answer
   x = 1,749.56