Finding the Fourth Proportional to 2,557.32, 3,527.46 and 1,674.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.32 : 3,527.46 = 1,674.18 : x
2. Step 2: Convert to fraction form
   2,557.32/3,527.46 = 1,674.18/x
3. Step 3: Cross multiply
   2,557.32x = 3,527.46 × 1,674.18
4. Step 4: Simplify right side
   2,557.32x = 5,905,602.98
5. Step 5: Solve for x
   x = 5,905,602.98/2,557.32
6. Step 6: Final answer
   x = 2,309.29