Finding the Fourth Proportional to 2,019.99, 2,788.52 and 1,348.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.99 : 2,788.52 = 1,348.90 : x
2. Step 2: Convert to fraction form
   2,019.99/2,788.52 = 1,348.90/x
3. Step 3: Cross multiply
   2,019.99x = 2,788.52 × 1,348.90
4. Step 4: Simplify right side
   2,019.99x = 3,761,434.63
5. Step 5: Solve for x
   x = 3,761,434.63/2,019.99
6. Step 6: Final answer
   x = 1,862.11