Finding the Fourth Proportional to 10,003.94, 13,805.37 and 5,528.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.94 : 13,805.37 = 5,528.00 : x
2. Step 2: Convert to fraction form
   10,003.94/13,805.37 = 5,528.00/x
3. Step 3: Cross multiply
   10,003.94x = 13,805.37 × 5,528.00
4. Step 4: Simplify right side
   10,003.94x = 76,316,016.33
5. Step 5: Solve for x
   x = 76,316,016.33/10,003.94
6. Step 6: Final answer
   x = 7,628.60