Finding the Fourth Proportional to 16,510.52, 22,782.09 and 9,435.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.52 : 22,782.09 = 9,435.57 : x
2. Step 2: Convert to fraction form
   16,510.52/22,782.09 = 9,435.57/x
3. Step 3: Cross multiply
   16,510.52x = 22,782.09 × 9,435.57
4. Step 4: Simplify right side
   16,510.52x = 214,962,040.32
5. Step 5: Solve for x
   x = 214,962,040.32/16,510.52
6. Step 6: Final answer
   x = 13,019.71