Finding the Fourth Proportional to 1,297.86, 1,944.18 and 603.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297.86 : 1,944.18 = 603.57 : x
2. Step 2: Convert to fraction form
   1,297.86/1,944.18 = 603.57/x
3. Step 3: Cross multiply
   1,297.86x = 1,944.18 × 603.57
4. Step 4: Simplify right side
   1,297.86x = 1,173,448.72
5. Step 5: Solve for x
   x = 1,173,448.72/1,297.86
6. Step 6: Final answer
   x = 904.14