Finding the Fourth Proportional to 10,300.49, 15,453.33 and 4,757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.49 : 15,453.33 = 4,757.72 : x
2. Step 2: Convert to fraction form
   10,300.49/15,453.33 = 4,757.72/x
3. Step 3: Cross multiply
   10,300.49x = 15,453.33 × 4,757.72
4. Step 4: Simplify right side
   10,300.49x = 73,522,617.21
5. Step 5: Solve for x
   x = 73,522,617.21/10,300.49
6. Step 6: Final answer
   x = 7,137.78