Finding the Fourth Proportional to 2,521.64, 3,477.42 and 1,682.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.64 : 3,477.42 = 1,682.38 : x
2. Step 2: Convert to fraction form
   2,521.64/3,477.42 = 1,682.38/x
3. Step 3: Cross multiply
   2,521.64x = 3,477.42 × 1,682.38
4. Step 4: Simplify right side
   2,521.64x = 5,850,341.86
5. Step 5: Solve for x
   x = 5,850,341.86/2,521.64
6. Step 6: Final answer
   x = 2,320.05