Finding the Fourth Proportional to 2,075.41, 3,114.87 and 980.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.41 : 3,114.87 = 980.56 : x
2. Step 2: Convert to fraction form
   2,075.41/3,114.87 = 980.56/x
3. Step 3: Cross multiply
   2,075.41x = 3,114.87 × 980.56
4. Step 4: Simplify right side
   2,075.41x = 3,054,316.93
5. Step 5: Solve for x
   x = 3,054,316.93/2,075.41
6. Step 6: Final answer
   x = 1,471.67