Finding the Fourth Proportional to 11,562.68, 17,345.20 and 3,242.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,562.68 : 17,345.20 = 3,242.72 : x
2. Step 2: Convert to fraction form
   11,562.68/17,345.20 = 3,242.72/x
3. Step 3: Cross multiply
   11,562.68x = 17,345.20 × 3,242.72
4. Step 4: Simplify right side
   11,562.68x = 56,245,626.94
5. Step 5: Solve for x
   x = 56,245,626.94/11,562.68
6. Step 6: Final answer
   x = 4,864.41