Finding the Fourth Proportional to 1,671.33, 2,307.48 and 1,074.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.33 : 2,307.48 = 1,074.09 : x
2. Step 2: Convert to fraction form
   1,671.33/2,307.48 = 1,074.09/x
3. Step 3: Cross multiply
   1,671.33x = 2,307.48 × 1,074.09
4. Step 4: Simplify right side
   1,671.33x = 2,478,429.37
5. Step 5: Solve for x
   x = 2,478,429.37/1,671.33
6. Step 6: Final answer
   x = 1,482.91