Finding the Fourth Proportional to 1,156.22, 1,595.32 and 684.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.22 : 1,595.32 = 684.18 : x
2. Step 2: Convert to fraction form
   1,156.22/1,595.32 = 684.18/x
3. Step 3: Cross multiply
   1,156.22x = 1,595.32 × 684.18
4. Step 4: Simplify right side
   1,156.22x = 1,091,486.04
5. Step 5: Solve for x
   x = 1,091,486.04/1,156.22
6. Step 6: Final answer
   x = 944.01