Finding the Fourth Proportional to 1,039.25, 1,434.12 and 597.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.25 : 1,434.12 = 597.15 : x
2. Step 2: Convert to fraction form
   1,039.25/1,434.12 = 597.15/x
3. Step 3: Cross multiply
   1,039.25x = 1,434.12 × 597.15
4. Step 4: Simplify right side
   1,039.25x = 856,382.52
5. Step 5: Solve for x
   x = 856,382.52/1,039.25
6. Step 6: Final answer
   x = 824.04