Finding the Fourth Proportional to 1,007.43, 1,508.56 and 596.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007.43 : 1,508.56 = 596.86 : x
2. Step 2: Convert to fraction form
   1,007.43/1,508.56 = 596.86/x
3. Step 3: Cross multiply
   1,007.43x = 1,508.56 × 596.86
4. Step 4: Simplify right side
   1,007.43x = 900,393.86
5. Step 5: Solve for x
   x = 900,393.86/1,007.43
6. Step 6: Final answer
   x = 893.76