Finding the Fourth Proportional to 1,504.53, 2,076.53 and 980.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.53 : 2,076.53 = 980.55 : x
2. Step 2: Convert to fraction form
   1,504.53/2,076.53 = 980.55/x
3. Step 3: Cross multiply
   1,504.53x = 2,076.53 × 980.55
4. Step 4: Simplify right side
   1,504.53x = 2,036,136.59
5. Step 5: Solve for x
   x = 2,036,136.59/1,504.53
6. Step 6: Final answer
   x = 1,353.34