Finding the Fourth Proportional to 1,123.67, 1,549.73 and 792.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.67 : 1,549.73 = 792.18 : x
2. Step 2: Convert to fraction form
   1,123.67/1,549.73 = 792.18/x
3. Step 3: Cross multiply
   1,123.67x = 1,549.73 × 792.18
4. Step 4: Simplify right side
   1,123.67x = 1,227,667.09
5. Step 5: Solve for x
   x = 1,227,667.09/1,123.67
6. Step 6: Final answer
   x = 1,092.55