Finding the Fourth Proportional to 10,004.46, 13,805.96 and 5,528.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004.46 : 13,805.96 = 5,528.13 : x
2. Step 2: Convert to fraction form
   10,004.46/13,805.96 = 5,528.13/x
3. Step 3: Cross multiply
   10,004.46x = 13,805.96 × 5,528.13
4. Step 4: Simplify right side
   10,004.46x = 76,321,114.01
5. Step 5: Solve for x
   x = 76,321,114.01/10,004.46
6. Step 6: Final answer
   x = 7,628.71