Finding the Fourth Proportional to 1,603.14, 2,404.56 and 986.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.14 : 2,404.56 = 986.52 : x
2. Step 2: Convert to fraction form
   1,603.14/2,404.56 = 986.52/x
3. Step 3: Cross multiply
   1,603.14x = 2,404.56 × 986.52
4. Step 4: Simplify right side
   1,603.14x = 2,372,146.53
5. Step 5: Solve for x
   x = 2,372,146.53/1,603.14
6. Step 6: Final answer
   x = 1,479.69