Finding the Fourth Proportional to 5,240.96, 7,232.24 and 2,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,240.96 : 7,232.24 = 2,882.72 : x
2. Step 2: Convert to fraction form
   5,240.96/7,232.24 = 2,882.72/x
3. Step 3: Cross multiply
   5,240.96x = 7,232.24 × 2,882.72
4. Step 4: Simplify right side
   5,240.96x = 20,848,522.89
5. Step 5: Solve for x
   x = 20,848,522.89/5,240.96
6. Step 6: Final answer
   x = 3,978.00