Finding the Fourth Proportional to 2,663.76, 3,672.84 and 2,352.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.76 : 3,672.84 = 2,352.72 : x
2. Step 2: Convert to fraction form
   2,663.76/3,672.84 = 2,352.72/x
3. Step 3: Cross multiply
   2,663.76x = 3,672.84 × 2,352.72
4. Step 4: Simplify right side
   2,663.76x = 8,641,164.12
5. Step 5: Solve for x
   x = 8,641,164.12/2,663.76
6. Step 6: Final answer
   x = 3,243.97