Finding the Fourth Proportional to 1,604.67, 2,405.39 and 1,486.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.67 : 2,405.39 = 1,486.82 : x
2. Step 2: Convert to fraction form
   1,604.67/2,405.39 = 1,486.82/x
3. Step 3: Cross multiply
   1,604.67x = 2,405.39 × 1,486.82
4. Step 4: Simplify right side
   1,604.67x = 3,576,362.50
5. Step 5: Solve for x
   x = 3,576,362.50/1,604.67
6. Step 6: Final answer
   x = 2,228.72