Finding the Fourth Proportional to 1,173.54, 1,619.34 and 676.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.54 : 1,619.34 = 676.14 : x
2. Step 2: Convert to fraction form
   1,173.54/1,619.34 = 676.14/x
3. Step 3: Cross multiply
   1,173.54x = 1,619.34 × 676.14
4. Step 4: Simplify right side
   1,173.54x = 1,094,900.55
5. Step 5: Solve for x
   x = 1,094,900.55/1,173.54
6. Step 6: Final answer
   x = 932.99