Finding the Fourth Proportional to 1,173.46, 1,619.52 and 676.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.46 : 1,619.52 = 676.12 : x
2. Step 2: Convert to fraction form
   1,173.46/1,619.52 = 676.12/x
3. Step 3: Cross multiply
   1,173.46x = 1,619.52 × 676.12
4. Step 4: Simplify right side
   1,173.46x = 1,094,989.86
5. Step 5: Solve for x
   x = 1,094,989.86/1,173.46
6. Step 6: Final answer
   x = 933.13