Finding the Fourth Proportional to 10,004.25, 13,806.06 and 5,528.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004.25 : 13,806.06 = 5,528.19 : x
2. Step 2: Convert to fraction form
   10,004.25/13,806.06 = 5,528.19/x
3. Step 3: Cross multiply
   10,004.25x = 13,806.06 × 5,528.19
4. Step 4: Simplify right side
   10,004.25x = 76,322,522.83
5. Step 5: Solve for x
   x = 76,322,522.83/10,004.25
6. Step 6: Final answer
   x = 7,629.01