Finding the Fourth Proportional to 2,075.85, 3,114.38 and 980.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.85 : 3,114.38 = 980.32 : x
2. Step 2: Convert to fraction form
   2,075.85/3,114.38 = 980.32/x
3. Step 3: Cross multiply
   2,075.85x = 3,114.38 × 980.32
4. Step 4: Simplify right side
   2,075.85x = 3,053,089.00
5. Step 5: Solve for x
   x = 3,053,089.00/2,075.85
6. Step 6: Final answer
   x = 1,470.77