Finding the Fourth Proportional to 2,375.34, 3,554.81 and 1,641.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.34 : 3,554.81 = 1,641.78 : x
2. Step 2: Convert to fraction form
   2,375.34/3,554.81 = 1,641.78/x
3. Step 3: Cross multiply
   2,375.34x = 3,554.81 × 1,641.78
4. Step 4: Simplify right side
   2,375.34x = 5,836,215.96
5. Step 5: Solve for x
   x = 5,836,215.96/2,375.34
6. Step 6: Final answer
   x = 2,457.00