Finding the Fourth Proportional to 10,003.10, 13,806.20 and 5,757.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.10 : 13,806.20 = 5,757.02 : x
2. Step 2: Convert to fraction form
   10,003.10/13,806.20 = 5,757.02/x
3. Step 3: Cross multiply
   10,003.10x = 13,806.20 × 5,757.02
4. Step 4: Simplify right side
   10,003.10x = 79,482,471.71
5. Step 5: Solve for x
   x = 79,482,471.71/10,003.10
6. Step 6: Final answer
   x = 7,945.79