Finding the Fourth Proportional to 5,114.77, 7,057.50 and 2,876.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,114.77 : 7,057.50 = 2,876.47 : x
2. Step 2: Convert to fraction form
   5,114.77/7,057.50 = 2,876.47/x
3. Step 3: Cross multiply
   5,114.77x = 7,057.50 × 2,876.47
4. Step 4: Simplify right side
   5,114.77x = 20,300,658.59
5. Step 5: Solve for x
   x = 20,300,658.59/5,114.77
6. Step 6: Final answer
   x = 3,969.03