Finding the Fourth Proportional to 2,315.03, 3,194.61 and 1,267.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.03 : 3,194.61 = 1,267.09 : x
2. Step 2: Convert to fraction form
   2,315.03/3,194.61 = 1,267.09/x
3. Step 3: Cross multiply
   2,315.03x = 3,194.61 × 1,267.09
4. Step 4: Simplify right side
   2,315.03x = 4,047,845.65
5. Step 5: Solve for x
   x = 4,047,845.65/2,315.03
6. Step 6: Final answer
   x = 1,748.51