Finding the Fourth Proportional to 1,173.96, 1,619.82 and 676.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.96 : 1,619.82 = 676.56 : x
2. Step 2: Convert to fraction form
   1,173.96/1,619.82 = 676.56/x
3. Step 3: Cross multiply
   1,173.96x = 1,619.82 × 676.56
4. Step 4: Simplify right side
   1,173.96x = 1,095,905.42
5. Step 5: Solve for x
   x = 1,095,905.42/1,173.96
6. Step 6: Final answer
   x = 933.51