Finding the Fourth Proportional to 2,488.69, 3,434.67 and 1,606.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.69 : 3,434.67 = 1,606.60 : x
2. Step 2: Convert to fraction form
   2,488.69/3,434.67 = 1,606.60/x
3. Step 3: Cross multiply
   2,488.69x = 3,434.67 × 1,606.60
4. Step 4: Simplify right side
   2,488.69x = 5,518,140.82
5. Step 5: Solve for x
   x = 5,518,140.82/2,488.69
6. Step 6: Final answer
   x = 2,217.29