Finding the Fourth Proportional to 5,087.78, 7,622.69 and 4,456.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.78 : 7,622.69 = 4,456.02 : x
2. Step 2: Convert to fraction form
   5,087.78/7,622.69 = 4,456.02/x
3. Step 3: Cross multiply
   5,087.78x = 7,622.69 × 4,456.02
4. Step 4: Simplify right side
   5,087.78x = 33,966,836.81
5. Step 5: Solve for x
   x = 33,966,836.81/5,087.78
6. Step 6: Final answer
   x = 6,676.17