Finding the Fourth Proportional to 3,446.51, 5,168.23 and 980.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,446.51 : 5,168.23 = 980.76 : x
2. Step 2: Convert to fraction form
   3,446.51/5,168.23 = 980.76/x
3. Step 3: Cross multiply
   3,446.51x = 5,168.23 × 980.76
4. Step 4: Simplify right side
   3,446.51x = 5,068,793.25
5. Step 5: Solve for x
   x = 5,068,793.25/3,446.51
6. Step 6: Final answer
   x = 1,470.70