Finding the Fourth Proportional to 10,003.72, 15,006 and 3,763.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,003.72 : 15,006 = 3,763.12 : x
2. Step 2: Convert to fraction form
   10,003.72/15,006 = 3,763.12/x
3. Step 3: Cross multiply
   10,003.72x = 15,006 × 3,763.12
4. Step 4: Simplify right side
   10,003.72x = 56,469,378.72
5. Step 5: Solve for x
   x = 56,469,378.72/10,003.72
6. Step 6: Final answer
   x = 5,644.84