Finding the Fourth Proportional to 1,145.07, 1,716.69 and 597.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145.07 : 1,716.69 = 597.09 : x
2. Step 2: Convert to fraction form
   1,145.07/1,716.69 = 597.09/x
3. Step 3: Cross multiply
   1,145.07x = 1,716.69 × 597.09
4. Step 4: Simplify right side
   1,145.07x = 1,025,018.43
5. Step 5: Solve for x
   x = 1,025,018.43/1,145.07
6. Step 6: Final answer
   x = 895.16