Finding the Fourth Proportional to 1,173.93, 1,620.06 and 676.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.93 : 1,620.06 = 676.59 : x
2. Step 2: Convert to fraction form
   1,173.93/1,620.06 = 676.59/x
3. Step 3: Cross multiply
   1,173.93x = 1,620.06 × 676.59
4. Step 4: Simplify right side
   1,173.93x = 1,096,116.40
5. Step 5: Solve for x
   x = 1,096,116.40/1,173.93
6. Step 6: Final answer
   x = 933.72