Finding the Fourth Proportional to 3,322.82, 4,987.31 and 1,680.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,322.82 : 4,987.31 = 1,680.52 : x
2. Step 2: Convert to fraction form
   3,322.82/4,987.31 = 1,680.52/x
3. Step 3: Cross multiply
   3,322.82x = 4,987.31 × 1,680.52
4. Step 4: Simplify right side
   3,322.82x = 8,381,274.20
5. Step 5: Solve for x
   x = 8,381,274.20/3,322.82
6. Step 6: Final answer
   x = 2,522.34