Finding the Fourth Proportional to 5,187.72, 7,764.72 and 2,841.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187.72 : 7,764.72 = 2,841.81 : x
2. Step 2: Convert to fraction form
   5,187.72/7,764.72 = 2,841.81/x
3. Step 3: Cross multiply
   5,187.72x = 7,764.72 × 2,841.81
4. Step 4: Simplify right side
   5,187.72x = 22,065,858.94
5. Step 5: Solve for x
   x = 22,065,858.94/5,187.72
6. Step 6: Final answer
   x = 4,253.48