Finding the Fourth Proportional to 11,562.71, 17,343.45 and 3,243.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,562.71 : 17,343.45 = 3,243.30 : x
2. Step 2: Convert to fraction form
   11,562.71/17,343.45 = 3,243.30/x
3. Step 3: Cross multiply
   11,562.71x = 17,343.45 × 3,243.30
4. Step 4: Simplify right side
   11,562.71x = 56,250,011.39
5. Step 5: Solve for x
   x = 56,250,011.39/11,562.71
6. Step 6: Final answer
   x = 4,864.78