Finding the Fourth Proportional to 1,039.35, 1,434.50 and 597.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.35 : 1,434.50 = 597.54 : x
2. Step 2: Convert to fraction form
   1,039.35/1,434.50 = 597.54/x
3. Step 3: Cross multiply
   1,039.35x = 1,434.50 × 597.54
4. Step 4: Simplify right side
   1,039.35x = 857,168.14
5. Step 5: Solve for x
   x = 857,168.14/1,039.35
6. Step 6: Final answer
   x = 824.72