Finding the Fourth Proportional to 12,807.68, 17,676.24 and 7,507.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.68 : 17,676.24 = 7,507.04 : x
2. Step 2: Convert to fraction form
   12,807.68/17,676.24 = 7,507.04/x
3. Step 3: Cross multiply
   12,807.68x = 17,676.24 × 7,507.04
4. Step 4: Simplify right side
   12,807.68x = 132,696,240.73
5. Step 5: Solve for x
   x = 132,696,240.73/12,807.68
6. Step 6: Final answer
   x = 10,360.68