Finding the Fourth Proportional to 2,488.94, 3,434.96 and 1,370.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.94 : 3,434.96 = 1,370.10 : x
2. Step 2: Convert to fraction form
   2,488.94/3,434.96 = 1,370.10/x
3. Step 3: Cross multiply
   2,488.94x = 3,434.96 × 1,370.10
4. Step 4: Simplify right side
   2,488.94x = 4,706,238.70
5. Step 5: Solve for x
   x = 4,706,238.70/2,488.94
6. Step 6: Final answer
   x = 1,890.86