Finding the Fourth Proportional to 2,980.62, 4,113.82 and 1,722.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.62 : 4,113.82 = 1,722.48 : x
2. Step 2: Convert to fraction form
   2,980.62/4,113.82 = 1,722.48/x
3. Step 3: Cross multiply
   2,980.62x = 4,113.82 × 1,722.48
4. Step 4: Simplify right side
   2,980.62x = 7,085,972.67
5. Step 5: Solve for x
   x = 7,085,972.67/2,980.62
6. Step 6: Final answer
   x = 2,377.35