Finding the Fourth Proportional to 2,179.24, 3,004.53 and 1,780.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.24 : 3,004.53 = 1,780.48 : x
2. Step 2: Convert to fraction form
   2,179.24/3,004.53 = 1,780.48/x
3. Step 3: Cross multiply
   2,179.24x = 3,004.53 × 1,780.48
4. Step 4: Simplify right side
   2,179.24x = 5,349,505.57
5. Step 5: Solve for x
   x = 5,349,505.57/2,179.24
6. Step 6: Final answer
   x = 2,454.76