Finding the Fourth Proportional to 12,807.48, 17,674.86 and 7,501.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.48 : 17,674.86 = 7,501.56 : x
2. Step 2: Convert to fraction form
   12,807.48/17,674.86 = 7,501.56/x
3. Step 3: Cross multiply
   12,807.48x = 17,674.86 × 7,501.56
4. Step 4: Simplify right side
   12,807.48x = 132,589,022.78
5. Step 5: Solve for x
   x = 132,589,022.78/12,807.48
6. Step 6: Final answer
   x = 10,352.47