Finding the Fourth Proportional to 2,483.46, 3,421.71 and 1,642.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.46 : 3,421.71 = 1,642.68 : x
2. Step 2: Convert to fraction form
   2,483.46/3,421.71 = 1,642.68/x
3. Step 3: Cross multiply
   2,483.46x = 3,421.71 × 1,642.68
4. Step 4: Simplify right side
   2,483.46x = 5,620,774.58
5. Step 5: Solve for x
   x = 5,620,774.58/2,483.46
6. Step 6: Final answer
   x = 2,263.28