Finding the Fourth Proportional to 2,502.81, 3,453.76 and 1,368.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.81 : 3,453.76 = 1,368.45 : x
2. Step 2: Convert to fraction form
   2,502.81/3,453.76 = 1,368.45/x
3. Step 3: Cross multiply
   2,502.81x = 3,453.76 × 1,368.45
4. Step 4: Simplify right side
   2,502.81x = 4,726,314.24
5. Step 5: Solve for x
   x = 4,726,314.24/2,502.81
6. Step 6: Final answer
   x = 1,888.41