Finding the Fourth Proportional to 2,554.89, 3,527.36 and 1,672.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.89 : 3,527.36 = 1,672.18 : x
2. Step 2: Convert to fraction form
   2,554.89/3,527.36 = 1,672.18/x
3. Step 3: Cross multiply
   2,554.89x = 3,527.36 × 1,672.18
4. Step 4: Simplify right side
   2,554.89x = 5,898,380.84
5. Step 5: Solve for x
   x = 5,898,380.84/2,554.89
6. Step 6: Final answer
   x = 2,308.66