Finding the Fourth Proportional to 2,980.62, 4,472.10 and 1,132.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.62 : 4,472.10 = 1,132.22 : x
2. Step 2: Convert to fraction form
   2,980.62/4,472.10 = 1,132.22/x
3. Step 3: Cross multiply
   2,980.62x = 4,472.10 × 1,132.22
4. Step 4: Simplify right side
   2,980.62x = 5,063,401.06
5. Step 5: Solve for x
   x = 5,063,401.06/2,980.62
6. Step 6: Final answer
   x = 1,698.78