Finding the Fourth Proportional to 1,078.03, 1,487.59 and 605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.03 : 1,487.59 = 605.98 : x
2. Step 2: Convert to fraction form
   1,078.03/1,487.59 = 605.98/x
3. Step 3: Cross multiply
   1,078.03x = 1,487.59 × 605.98
4. Step 4: Simplify right side
   1,078.03x = 901,444.55
5. Step 5: Solve for x
   x = 901,444.55/1,078.03
6. Step 6: Final answer
   x = 836.20