Finding the Fourth Proportional to 1,173.52, 1,619.46 and 676.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.52 : 1,619.46 = 676.15 : x
2. Step 2: Convert to fraction form
   1,173.52/1,619.46 = 676.15/x
3. Step 3: Cross multiply
   1,173.52x = 1,619.46 × 676.15
4. Step 4: Simplify right side
   1,173.52x = 1,094,995.26
5. Step 5: Solve for x
   x = 1,094,995.26/1,173.52
6. Step 6: Final answer
   x = 933.09