Finding the Fourth Proportional to 2,124.67, 3,172.68 and 1,735.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.67 : 3,172.68 = 1,735.43 : x
2. Step 2: Convert to fraction form
   2,124.67/3,172.68 = 1,735.43/x
3. Step 3: Cross multiply
   2,124.67x = 3,172.68 × 1,735.43
4. Step 4: Simplify right side
   2,124.67x = 5,505,971.98
5. Step 5: Solve for x
   x = 5,505,971.98/2,124.67
6. Step 6: Final answer
   x = 2,591.45