Finding the Fourth Proportional to 2,090.98, 3,134.13 and 980.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.98 : 3,134.13 = 980.94 : x
2. Step 2: Convert to fraction form
   2,090.98/3,134.13 = 980.94/x
3. Step 3: Cross multiply
   2,090.98x = 3,134.13 × 980.94
4. Step 4: Simplify right side
   2,090.98x = 3,074,401.56
5. Step 5: Solve for x
   x = 3,074,401.56/2,090.98
6. Step 6: Final answer
   x = 1,470.32