Finding the Fourth Proportional to 2,253.61, 3,372.82 and 2,167.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.61 : 3,372.82 = 2,167.35 : x
2. Step 2: Convert to fraction form
   2,253.61/3,372.82 = 2,167.35/x
3. Step 3: Cross multiply
   2,253.61x = 3,372.82 × 2,167.35
4. Step 4: Simplify right side
   2,253.61x = 7,310,081.43
5. Step 5: Solve for x
   x = 7,310,081.43/2,253.61
6. Step 6: Final answer
   x = 3,243.72