Finding the Fourth Proportional to 2,735.29, 4,102.50 and 980.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.29 : 4,102.50 = 980.00 : x
2. Step 2: Convert to fraction form
   2,735.29/4,102.50 = 980.00/x
3. Step 3: Cross multiply
   2,735.29x = 4,102.50 × 980.00
4. Step 4: Simplify right side
   2,735.29x = 4,020,443.03
5. Step 5: Solve for x
   x = 4,020,443.03/2,735.29
6. Step 6: Final answer
   x = 1,469.84