Finding the Fourth Proportional to 2,193.82, 3,019.89 and 1,897.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193.82 : 3,019.89 = 1,897.90 : x
2. Step 2: Convert to fraction form
   2,193.82/3,019.89 = 1,897.90/x
3. Step 3: Cross multiply
   2,193.82x = 3,019.89 × 1,897.90
4. Step 4: Simplify right side
   2,193.82x = 5,731,449.23
5. Step 5: Solve for x
   x = 5,731,449.23/2,193.82
6. Step 6: Final answer
   x = 2,612.54