Finding the Fourth Proportional to 1,174.07, 1,620.05 and 676.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.07 : 1,620.05 = 676.53 : x
2. Step 2: Convert to fraction form
   1,174.07/1,620.05 = 676.53/x
3. Step 3: Cross multiply
   1,174.07x = 1,620.05 × 676.53
4. Step 4: Simplify right side
   1,174.07x = 1,096,009.04
5. Step 5: Solve for x
   x = 1,096,009.04/1,174.07
6. Step 6: Final answer
   x = 933.52