Finding the Fourth Proportional to 1,173.02, 1,618.72 and 675.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.02 : 1,618.72 = 675.60 : x
2. Step 2: Convert to fraction form
   1,173.02/1,618.72 = 675.60/x
3. Step 3: Cross multiply
   1,173.02x = 1,618.72 × 675.60
4. Step 4: Simplify right side
   1,173.02x = 1,093,607.23
5. Step 5: Solve for x
   x = 1,093,607.23/1,173.02
6. Step 6: Final answer
   x = 932.30