Finding the Fourth Proportional to 1,092.42, 1,507.82 and 673.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.42 : 1,507.82 = 673.38 : x
2. Step 2: Convert to fraction form
   1,092.42/1,507.82 = 673.38/x
3. Step 3: Cross multiply
   1,092.42x = 1,507.82 × 673.38
4. Step 4: Simplify right side
   1,092.42x = 1,015,332.46
5. Step 5: Solve for x
   x = 1,015,332.46/1,092.42
6. Step 6: Final answer
   x = 929.43