Finding the Fourth Proportional to 1,172.58, 1,759.56 and 1,082.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172.58 : 1,759.56 = 1,082.37 : x
2. Step 2: Convert to fraction form
   1,172.58/1,759.56 = 1,082.37/x
3. Step 3: Cross multiply
   1,172.58x = 1,759.56 × 1,082.37
4. Step 4: Simplify right side
   1,172.58x = 1,904,494.96
5. Step 5: Solve for x
   x = 1,904,494.96/1,172.58
6. Step 6: Final answer
   x = 1,624.19