Finding the Fourth Proportional to 2,371.50, 3,553.35 and 1,674.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.50 : 3,553.35 = 1,674.78 : x
2. Step 2: Convert to fraction form
   2,371.50/3,553.35 = 1,674.78/x
3. Step 3: Cross multiply
   2,371.50x = 3,553.35 × 1,674.78
4. Step 4: Simplify right side
   2,371.50x = 5,951,079.51
5. Step 5: Solve for x
   x = 5,951,079.51/2,371.50
6. Step 6: Final answer
   x = 2,509.42