Finding the Fourth Proportional to 2,502.31, 3,453.10 and 1,383.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.31 : 3,453.10 = 1,383.23 : x
2. Step 2: Convert to fraction form
   2,502.31/3,453.10 = 1,383.23/x
3. Step 3: Cross multiply
   2,502.31x = 3,453.10 × 1,383.23
4. Step 4: Simplify right side
   2,502.31x = 4,776,410.79
5. Step 5: Solve for x
   x = 4,776,410.79/2,502.31
6. Step 6: Final answer
   x = 1,908.80