Finding the Fourth Proportional to 11,510.64, 17,262.72 and 3,717.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,510.64 : 17,262.72 = 3,717.36 : x
2. Step 2: Convert to fraction form
   11,510.64/17,262.72 = 3,717.36/x
3. Step 3: Cross multiply
   11,510.64x = 17,262.72 × 3,717.36
4. Step 4: Simplify right side
   11,510.64x = 64,171,744.82
5. Step 5: Solve for x
   x = 64,171,744.82/11,510.64
6. Step 6: Final answer
   x = 5,574.99