Finding the Fourth Proportional to 2,118.30, 2,922.39 and 1,527.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.30 : 2,922.39 = 1,527.54 : x
2. Step 2: Convert to fraction form
   2,118.30/2,922.39 = 1,527.54/x
3. Step 3: Cross multiply
   2,118.30x = 2,922.39 × 1,527.54
4. Step 4: Simplify right side
   2,118.30x = 4,464,067.62
5. Step 5: Solve for x
   x = 4,464,067.62/2,118.30
6. Step 6: Final answer
   x = 2,107.38