Finding the Fourth Proportional to 2,176.38, 3,001.59 and 1,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.38 : 3,001.59 = 1,782.72 : x
2. Step 2: Convert to fraction form
   2,176.38/3,001.59 = 1,782.72/x
3. Step 3: Cross multiply
   2,176.38x = 3,001.59 × 1,782.72
4. Step 4: Simplify right side
   2,176.38x = 5,350,994.52
5. Step 5: Solve for x
   x = 5,350,994.52/2,176.38
6. Step 6: Final answer
   x = 2,458.67