Finding the Fourth Proportional to 2,735.32, 4,103.05 and 980.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.32 : 4,103.05 = 980.45 : x
2. Step 2: Convert to fraction form
   2,735.32/4,103.05 = 980.45/x
3. Step 3: Cross multiply
   2,735.32x = 4,103.05 × 980.45
4. Step 4: Simplify right side
   2,735.32x = 4,022,835.37
5. Step 5: Solve for x
   x = 4,022,835.37/2,735.32
6. Step 6: Final answer
   x = 1,470.70