Finding the Fourth Proportional to 8,300.72, 11,459.72 and 5,476.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.72 : 11,459.72 = 5,476.24 : x
2. Step 2: Convert to fraction form
   8,300.72/11,459.72 = 5,476.24/x
3. Step 3: Cross multiply
   8,300.72x = 11,459.72 × 5,476.24
4. Step 4: Simplify right side
   8,300.72x = 62,756,177.05
5. Step 5: Solve for x
   x = 62,756,177.05/8,300.72
6. Step 6: Final answer
   x = 7,560.33