Finding the Fourth Proportional to 5,715.10, 7,877.43 and 3,826.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715.10 : 7,877.43 = 3,826.03 : x
2. Step 2: Convert to fraction form
   5,715.10/7,877.43 = 3,826.03/x
3. Step 3: Cross multiply
   5,715.10x = 7,877.43 × 3,826.03
4. Step 4: Simplify right side
   5,715.10x = 30,139,283.50
5. Step 5: Solve for x
   x = 30,139,283.50/5,715.10
6. Step 6: Final answer
   x = 5,273.62