Finding the Fourth Proportional to 3,446.15, 5,168.48 and 980.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,446.15 : 5,168.48 = 980.30 : x
2. Step 2: Convert to fraction form
   3,446.15/5,168.48 = 980.30/x
3. Step 3: Cross multiply
   3,446.15x = 5,168.48 × 980.30
4. Step 4: Simplify right side
   3,446.15x = 5,066,677.23
5. Step 5: Solve for x
   x = 5,066,677.23/3,446.15
6. Step 6: Final answer
   x = 1,470.24