Finding the Fourth Proportional to 3,445.36, 5,168.10 and 980.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445.36 : 5,168.10 = 980.24 : x
2. Step 2: Convert to fraction form
   3,445.36/5,168.10 = 980.24/x
3. Step 3: Cross multiply
   3,445.36x = 5,168.10 × 980.24
4. Step 4: Simplify right side
   3,445.36x = 5,065,978.34
5. Step 5: Solve for x
   x = 5,065,978.34/3,445.36
6. Step 6: Final answer
   x = 1,470.38