Finding the Fourth Proportional to 1,114.89, 1,538.82 and 673.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.89 : 1,538.82 = 673.09 : x
2. Step 2: Convert to fraction form
   1,114.89/1,538.82 = 673.09/x
3. Step 3: Cross multiply
   1,114.89x = 1,538.82 × 673.09
4. Step 4: Simplify right side
   1,114.89x = 1,035,764.35
5. Step 5: Solve for x
   x = 1,035,764.35/1,114.89
6. Step 6: Final answer
   x = 929.03