Finding the Fourth Proportional to 2,645.56, 3,642.56 and 2,246.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.56 : 3,642.56 = 2,246.38 : x
2. Step 2: Convert to fraction form
   2,645.56/3,642.56 = 2,246.38/x
3. Step 3: Cross multiply
   2,645.56x = 3,642.56 × 2,246.38
4. Step 4: Simplify right side
   2,645.56x = 8,182,553.59
5. Step 5: Solve for x
   x = 8,182,553.59/2,645.56
6. Step 6: Final answer
   x = 3,092.94