Finding the Fourth Proportional to 2,156.79, 3,234.59 and 596.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.79 : 3,234.59 = 596.42 : x
2. Step 2: Convert to fraction form
   2,156.79/3,234.59 = 596.42/x
3. Step 3: Cross multiply
   2,156.79x = 3,234.59 × 596.42
4. Step 4: Simplify right side
   2,156.79x = 1,929,174.17
5. Step 5: Solve for x
   x = 1,929,174.17/2,156.79
6. Step 6: Final answer
   x = 894.47