Finding the Fourth Proportional to 1,093.11, 1,507.98 and 673.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.11 : 1,507.98 = 673.41 : x
2. Step 2: Convert to fraction form
   1,093.11/1,507.98 = 673.41/x
3. Step 3: Cross multiply
   1,093.11x = 1,507.98 × 673.41
4. Step 4: Simplify right side
   1,093.11x = 1,015,488.81
5. Step 5: Solve for x
   x = 1,015,488.81/1,093.11
6. Step 6: Final answer
   x = 928.99