Finding the Fourth Proportional to 3,445.34, 5,167.23 and 980.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445.34 : 5,167.23 = 980.10 : x
2. Step 2: Convert to fraction form
   3,445.34/5,167.23 = 980.10/x
3. Step 3: Cross multiply
   3,445.34x = 5,167.23 × 980.10
4. Step 4: Simplify right side
   3,445.34x = 5,064,397.22
5. Step 5: Solve for x
   x = 5,064,397.22/3,445.34
6. Step 6: Final answer
   x = 1,469.93