Finding the Fourth Proportional to 2,315.16, 3,194.82 and 1,267.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.16 : 3,194.82 = 1,267.26 : x
2. Step 2: Convert to fraction form
   2,315.16/3,194.82 = 1,267.26/x
3. Step 3: Cross multiply
   2,315.16x = 3,194.82 × 1,267.26
4. Step 4: Simplify right side
   2,315.16x = 4,048,667.59
5. Step 5: Solve for x
   x = 4,048,667.59/2,315.16
6. Step 6: Final answer
   x = 1,748.76