Finding the Fourth Proportional to 1,173.17, 1,618.76 and 675.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.17 : 1,618.76 = 675.69 : x
2. Step 2: Convert to fraction form
   1,173.17/1,618.76 = 675.69/x
3. Step 3: Cross multiply
   1,173.17x = 1,618.76 × 675.69
4. Step 4: Simplify right side
   1,173.17x = 1,093,776.57
5. Step 5: Solve for x
   x = 1,093,776.57/1,173.17
6. Step 6: Final answer
   x = 932.33