Finding the Fourth Proportional to 5,132.88, 7,087.32 and 4,253.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.88 : 7,087.32 = 4,253.76 : x
2. Step 2: Convert to fraction form
   5,132.88/7,087.32 = 4,253.76/x
3. Step 3: Cross multiply
   5,132.88x = 7,087.32 × 4,253.76
4. Step 4: Simplify right side
   5,132.88x = 30,147,758.32
5. Step 5: Solve for x
   x = 30,147,758.32/5,132.88
6. Step 6: Final answer
   x = 5,873.46