Finding the Fourth Proportional to 2,248.94, 3,356.38 and 2,120.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248.94 : 3,356.38 = 2,120.96 : x
2. Step 2: Convert to fraction form
   2,248.94/3,356.38 = 2,120.96/x
3. Step 3: Cross multiply
   2,248.94x = 3,356.38 × 2,120.96
4. Step 4: Simplify right side
   2,248.94x = 7,118,747.72
5. Step 5: Solve for x
   x = 7,118,747.72/2,248.94
6. Step 6: Final answer
   x = 3,165.38