Finding the Fourth Proportional to 3,445.62, 5,168.34 and 980.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445.62 : 5,168.34 = 980.41 : x
2. Step 2: Convert to fraction form
   3,445.62/5,168.34 = 980.41/x
3. Step 3: Cross multiply
   3,445.62x = 5,168.34 × 980.41
4. Step 4: Simplify right side
   3,445.62x = 5,067,092.22
5. Step 5: Solve for x
   x = 5,067,092.22/3,445.62
6. Step 6: Final answer
   x = 1,470.59