Finding the Fourth Proportional to 1,156.22, 1,595.58 and 684.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.22 : 1,595.58 = 684.23 : x
2. Step 2: Convert to fraction form
   1,156.22/1,595.58 = 684.23/x
3. Step 3: Cross multiply
   1,156.22x = 1,595.58 × 684.23
4. Step 4: Simplify right side
   1,156.22x = 1,091,735.73
5. Step 5: Solve for x
   x = 1,091,735.73/1,156.22
6. Step 6: Final answer
   x = 944.23