Finding the Fourth Proportional to 2,502.73, 3,453.72 and 1,383.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.73 : 3,453.72 = 1,383.64 : x
2. Step 2: Convert to fraction form
   2,502.73/3,453.72 = 1,383.64/x
3. Step 3: Cross multiply
   2,502.73x = 3,453.72 × 1,383.64
4. Step 4: Simplify right side
   2,502.73x = 4,778,705.14
5. Step 5: Solve for x
   x = 4,778,705.14/2,502.73
6. Step 6: Final answer
   x = 1,909.40