Finding the Fourth Proportional to 2,010.34, 2,774.55 and 1,678.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.34 : 2,774.55 = 1,678.24 : x
2. Step 2: Convert to fraction form
   2,010.34/2,774.55 = 1,678.24/x
3. Step 3: Cross multiply
   2,010.34x = 2,774.55 × 1,678.24
4. Step 4: Simplify right side
   2,010.34x = 4,656,360.79
5. Step 5: Solve for x
   x = 4,656,360.79/2,010.34
6. Step 6: Final answer
   x = 2,316.21