Finding the Fourth Proportional to 1,145.54, 1,717.94 and 597.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145.54 : 1,717.94 = 597.42 : x
2. Step 2: Convert to fraction form
   1,145.54/1,717.94 = 597.42/x
3. Step 3: Cross multiply
   1,145.54x = 1,717.94 × 597.42
4. Step 4: Simplify right side
   1,145.54x = 1,026,331.71
5. Step 5: Solve for x
   x = 1,026,331.71/1,145.54
6. Step 6: Final answer
   x = 895.94