Finding the Fourth Proportional to 3,662, 5,493.72 and 1,878.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662 : 5,493.72 = 1,878.56 : x
2. Step 2: Convert to fraction form
   3,662/5,493.72 = 1,878.56/x
3. Step 3: Cross multiply
   3,662x = 5,493.72 × 1,878.56
4. Step 4: Simplify right side
   3,662x = 10,320,282.64
5. Step 5: Solve for x
   x = 10,320,282.64/3,662
6. Step 6: Final answer
   x = 2,818.21