Finding the Fourth Proportional to 1,045.48, 1,442.76 and 603.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.48 : 1,442.76 = 603.37 : x
2. Step 2: Convert to fraction form
   1,045.48/1,442.76 = 603.37/x
3. Step 3: Cross multiply
   1,045.48x = 1,442.76 × 603.37
4. Step 4: Simplify right side
   1,045.48x = 870,518.10
5. Step 5: Solve for x
   x = 870,518.10/1,045.48
6. Step 6: Final answer
   x = 832.65