Finding the Fourth Proportional to 1,109.29, 1,530.18 and 694.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.29 : 1,530.18 = 694.57 : x
2. Step 2: Convert to fraction form
   1,109.29/1,530.18 = 694.57/x
3. Step 3: Cross multiply
   1,109.29x = 1,530.18 × 694.57
4. Step 4: Simplify right side
   1,109.29x = 1,062,817.12
5. Step 5: Solve for x
   x = 1,062,817.12/1,109.29
6. Step 6: Final answer
   x = 958.11