Finding the Fourth Proportional to 1,123.03, 1,549.33 and 657.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.03 : 1,549.33 = 657.01 : x
2. Step 2: Convert to fraction form
   1,123.03/1,549.33 = 657.01/x
3. Step 3: Cross multiply
   1,123.03x = 1,549.33 × 657.01
4. Step 4: Simplify right side
   1,123.03x = 1,017,914.27
5. Step 5: Solve for x
   x = 1,017,914.27/1,123.03
6. Step 6: Final answer
   x = 906.40