Finding the Fourth Proportional to 1,667.58, 2,489.45 and 1,448.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.58 : 2,489.45 = 1,448.94 : x
2. Step 2: Convert to fraction form
   1,667.58/2,489.45 = 1,448.94/x
3. Step 3: Cross multiply
   1,667.58x = 2,489.45 × 1,448.94
4. Step 4: Simplify right side
   1,667.58x = 3,607,056.44
5. Step 5: Solve for x
   x = 3,607,056.44/1,667.58
6. Step 6: Final answer
   x = 2,163.05