Finding the Fourth Proportional to 3,627, 5,436.42 and 1,983

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627 : 5,436.42 = 1,983 : x
2. Step 2: Convert to fraction form
   3,627/5,436.42 = 1,983/x
3. Step 3: Cross multiply
   3,627x = 5,436.42 × 1,983
4. Step 4: Simplify right side
   3,627x = 10,780,420.86
5. Step 5: Solve for x
   x = 10,780,420.86/3,627
6. Step 6: Final answer
   x = 2,972.27