Finding the Fourth Proportional to 10,003.79, 13,804.90 and 5,527.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.79 : 13,804.90 = 5,527.28 : x
2. Step 2: Convert to fraction form
   10,003.79/13,804.90 = 5,527.28/x
3. Step 3: Cross multiply
   10,003.79x = 13,804.90 × 5,527.28
4. Step 4: Simplify right side
   10,003.79x = 76,303,568.37
5. Step 5: Solve for x
   x = 76,303,568.37/10,003.79
6. Step 6: Final answer
   x = 7,627.46