Finding the Fourth Proportional to 1,123.34, 1,549.96 and 764.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.34 : 1,549.96 = 764.54 : x
2. Step 2: Convert to fraction form
   1,123.34/1,549.96 = 764.54/x
3. Step 3: Cross multiply
   1,123.34x = 1,549.96 × 764.54
4. Step 4: Simplify right side
   1,123.34x = 1,185,004.72
5. Step 5: Solve for x
   x = 1,185,004.72/1,123.34
6. Step 6: Final answer
   x = 1,054.89