Finding the Fourth Proportional to 2,483.62, 3,427.56 and 1,642.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.62 : 3,427.56 = 1,642.86 : x
2. Step 2: Convert to fraction form
   2,483.62/3,427.56 = 1,642.86/x
3. Step 3: Cross multiply
   2,483.62x = 3,427.56 × 1,642.86
4. Step 4: Simplify right side
   2,483.62x = 5,631,001.22
5. Step 5: Solve for x
   x = 5,631,001.22/2,483.62
6. Step 6: Final answer
   x = 2,267.26