Finding the Fourth Proportional to 5,187.69, 7,158.98 and 2,829.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187.69 : 7,158.98 = 2,829.82 : x
2. Step 2: Convert to fraction form
   5,187.69/7,158.98 = 2,829.82/x
3. Step 3: Cross multiply
   5,187.69x = 7,158.98 × 2,829.82
4. Step 4: Simplify right side
   5,187.69x = 20,258,624.78
5. Step 5: Solve for x
   x = 20,258,624.78/5,187.69
6. Step 6: Final answer
   x = 3,905.14