Finding the Fourth Proportional to 1,173.53, 1,618.94 and 675.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.53 : 1,618.94 = 675.98 : x
2. Step 2: Convert to fraction form
   1,173.53/1,618.94 = 675.98/x
3. Step 3: Cross multiply
   1,173.53x = 1,618.94 × 675.98
4. Step 4: Simplify right side
   1,173.53x = 1,094,359.59
5. Step 5: Solve for x
   x = 1,094,359.59/1,173.53
6. Step 6: Final answer
   x = 932.54