Finding the Fourth Proportional to 2,502.72, 3,453.62 and 1,383.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.72 : 3,453.62 = 1,383.59 : x
2. Step 2: Convert to fraction form
   2,502.72/3,453.62 = 1,383.59/x
3. Step 3: Cross multiply
   2,502.72x = 3,453.62 × 1,383.59
4. Step 4: Simplify right side
   2,502.72x = 4,778,394.10
5. Step 5: Solve for x
   x = 4,778,394.10/2,502.72
6. Step 6: Final answer
   x = 1,909.28