Finding the Fourth Proportional to 1,039.34, 1,434.30 and 597.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.34 : 1,434.30 = 597.24 : x
2. Step 2: Convert to fraction form
   1,039.34/1,434.30 = 597.24/x
3. Step 3: Cross multiply
   1,039.34x = 1,434.30 × 597.24
4. Step 4: Simplify right side
   1,039.34x = 856,621.33
5. Step 5: Solve for x
   x = 856,621.33/1,039.34
6. Step 6: Final answer
   x = 824.20