Finding the Fourth Proportional to 2,453.37, 3,380.36 and 1,666.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.37 : 3,380.36 = 1,666.05 : x
2. Step 2: Convert to fraction form
   2,453.37/3,380.36 = 1,666.05/x
3. Step 3: Cross multiply
   2,453.37x = 3,380.36 × 1,666.05
4. Step 4: Simplify right side
   2,453.37x = 5,631,848.78
5. Step 5: Solve for x
   x = 5,631,848.78/2,453.37
6. Step 6: Final answer
   x = 2,295.56