Finding the Fourth Proportional to 5,164.82, 7,127.50 and 2,806.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.82 : 7,127.50 = 2,806.96 : x
2. Step 2: Convert to fraction form
   5,164.82/7,127.50 = 2,806.96/x
3. Step 3: Cross multiply
   5,164.82x = 7,127.50 × 2,806.96
4. Step 4: Simplify right side
   5,164.82x = 20,006,607.40
5. Step 5: Solve for x
   x = 20,006,607.40/5,164.82
6. Step 6: Final answer
   x = 3,873.63