Finding the Fourth Proportional to 2,504.96, 3,453.69 and 1,607.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.96 : 3,453.69 = 1,607.11 : x
2. Step 2: Convert to fraction form
   2,504.96/3,453.69 = 1,607.11/x
3. Step 3: Cross multiply
   2,504.96x = 3,453.69 × 1,607.11
4. Step 4: Simplify right side
   2,504.96x = 5,550,459.74
5. Step 5: Solve for x
   x = 5,550,459.74/2,504.96
6. Step 6: Final answer
   x = 2,215.79