Finding the Fourth Proportional to 1,724.82, 2,575.54 and 1,355.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.82 : 2,575.54 = 1,355.46 : x
2. Step 2: Convert to fraction form
   1,724.82/2,575.54 = 1,355.46/x
3. Step 3: Cross multiply
   1,724.82x = 2,575.54 × 1,355.46
4. Step 4: Simplify right side
   1,724.82x = 3,491,041.45
5. Step 5: Solve for x
   x = 3,491,041.45/1,724.82
6. Step 6: Final answer
   x = 2,024.00