Finding the Fourth Proportional to 1,123.56, 1,549.67 and 975.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.56 : 1,549.67 = 975.96 : x
2. Step 2: Convert to fraction form
   1,123.56/1,549.67 = 975.96/x
3. Step 3: Cross multiply
   1,123.56x = 1,549.67 × 975.96
4. Step 4: Simplify right side
   1,123.56x = 1,512,411.05
5. Step 5: Solve for x
   x = 1,512,411.05/1,123.56
6. Step 6: Final answer
   x = 1,346.09