Finding the Fourth Proportional to 2,180.45, 3,012.12 and 1,737.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.45 : 3,012.12 = 1,737.79 : x
2. Step 2: Convert to fraction form
   2,180.45/3,012.12 = 1,737.79/x
3. Step 3: Cross multiply
   2,180.45x = 3,012.12 × 1,737.79
4. Step 4: Simplify right side
   2,180.45x = 5,234,424.48
5. Step 5: Solve for x
   x = 5,234,424.48/2,180.45
6. Step 6: Final answer
   x = 2,400.61