Finding the Fourth Proportional to 12,808.48, 17,676.24 and 7,502.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808.48 : 17,676.24 = 7,502.56 : x
2. Step 2: Convert to fraction form
   12,808.48/17,676.24 = 7,502.56/x
3. Step 3: Cross multiply
   12,808.48x = 17,676.24 × 7,502.56
4. Step 4: Simplify right side
   12,808.48x = 132,617,051.17
5. Step 5: Solve for x
   x = 132,617,051.17/12,808.48
6. Step 6: Final answer
   x = 10,353.85