Finding the Fourth Proportional to 3,445.38, 5,167.29 and 980.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445.38 : 5,167.29 = 980.14 : x
2. Step 2: Convert to fraction form
   3,445.38/5,167.29 = 980.14/x
3. Step 3: Cross multiply
   3,445.38x = 5,167.29 × 980.14
4. Step 4: Simplify right side
   3,445.38x = 5,064,667.62
5. Step 5: Solve for x
   x = 5,064,667.62/3,445.38
6. Step 6: Final answer
   x = 1,469.99