Finding the Fourth Proportional to 2,267.57, 3,402.09 and 1,112.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267.57 : 3,402.09 = 1,112.51 : x
2. Step 2: Convert to fraction form
   2,267.57/3,402.09 = 1,112.51/x
3. Step 3: Cross multiply
   2,267.57x = 3,402.09 × 1,112.51
4. Step 4: Simplify right side
   2,267.57x = 3,784,859.15
5. Step 5: Solve for x
   x = 3,784,859.15/2,267.57
6. Step 6: Final answer
   x = 1,669.13