Finding the Fourth Proportional to 1,084.56, 1,496.32 and 691.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.56 : 1,496.32 = 691.81 : x
2. Step 2: Convert to fraction form
   1,084.56/1,496.32 = 691.81/x
3. Step 3: Cross multiply
   1,084.56x = 1,496.32 × 691.81
4. Step 4: Simplify right side
   1,084.56x = 1,035,167.56
5. Step 5: Solve for x
   x = 1,035,167.56/1,084.56
6. Step 6: Final answer
   x = 954.46