Finding the Fourth Proportional to 2,630.34, 3,945.47 and 1,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.34 : 3,945.47 = 1,521.42 : x
2. Step 2: Convert to fraction form
   2,630.34/3,945.47 = 1,521.42/x
3. Step 3: Cross multiply
   2,630.34x = 3,945.47 × 1,521.42
4. Step 4: Simplify right side
   2,630.34x = 6,002,725.32
5. Step 5: Solve for x
   x = 6,002,725.32/2,630.34
6. Step 6: Final answer
   x = 2,282.11