Finding the Fourth Proportional to 1,156.79, 1,596.22 and 684.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.79 : 1,596.22 = 684.76 : x
2. Step 2: Convert to fraction form
   1,156.79/1,596.22 = 684.76/x
3. Step 3: Cross multiply
   1,156.79x = 1,596.22 × 684.76
4. Step 4: Simplify right side
   1,156.79x = 1,093,021.90
5. Step 5: Solve for x
   x = 1,093,021.90/1,156.79
6. Step 6: Final answer
   x = 944.88