Finding the Fourth Proportional to 1,173.51, 1,619.52 and 676.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.51 : 1,619.52 = 676.18 : x
2. Step 2: Convert to fraction form
   1,173.51/1,619.52 = 676.18/x
3. Step 3: Cross multiply
   1,173.51x = 1,619.52 × 676.18
4. Step 4: Simplify right side
   1,173.51x = 1,095,092.42
5. Step 5: Solve for x
   x = 1,095,092.42/1,173.51
6. Step 6: Final answer
   x = 933.18