Finding the Fourth Proportional to 1,721.88, 2,380.56 and 1,524.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.88 : 2,380.56 = 1,524.96 : x
2. Step 2: Convert to fraction form
   1,721.88/2,380.56 = 1,524.96/x
3. Step 3: Cross multiply
   1,721.88x = 2,380.56 × 1,524.96
4. Step 4: Simplify right side
   1,721.88x = 3,630,258.78
5. Step 5: Solve for x
   x = 3,630,258.78/1,721.88
6. Step 6: Final answer
   x = 2,108.31