Finding the Fourth Proportional to 1,184.89, 1,634.25 and 712.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184.89 : 1,634.25 = 712.75 : x
2. Step 2: Convert to fraction form
   1,184.89/1,634.25 = 712.75/x
3. Step 3: Cross multiply
   1,184.89x = 1,634.25 × 712.75
4. Step 4: Simplify right side
   1,184.89x = 1,164,811.69
5. Step 5: Solve for x
   x = 1,164,811.69/1,184.89
6. Step 6: Final answer
   x = 983.05