Finding the Fourth Proportional to 1,919.97, 2,654.27 and 1,902.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.97 : 2,654.27 = 1,902.42 : x
2. Step 2: Convert to fraction form
   1,919.97/2,654.27 = 1,902.42/x
3. Step 3: Cross multiply
   1,919.97x = 2,654.27 × 1,902.42
4. Step 4: Simplify right side
   1,919.97x = 5,049,513.55
5. Step 5: Solve for x
   x = 5,049,513.55/1,919.97
6. Step 6: Final answer
   x = 2,630.00