Finding the Fourth Proportional to 2,504.72, 3,457.59 and 1,809.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.72 : 3,457.59 = 1,809.74 : x
2. Step 2: Convert to fraction form
   2,504.72/3,457.59 = 1,809.74/x
3. Step 3: Cross multiply
   2,504.72x = 3,457.59 × 1,809.74
4. Step 4: Simplify right side
   2,504.72x = 6,257,340.78
5. Step 5: Solve for x
   x = 6,257,340.78/2,504.72
6. Step 6: Final answer
   x = 2,498.22