Finding the Fourth Proportional to 16,522.75, 22,791 and 9,803.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522.75 : 22,791 = 9,803.61 : x
2. Step 2: Convert to fraction form
   16,522.75/22,791 = 9,803.61/x
3. Step 3: Cross multiply
   16,522.75x = 22,791 × 9,803.61
4. Step 4: Simplify right side
   16,522.75x = 223,434,075.51
5. Step 5: Solve for x
   x = 223,434,075.51/16,522.75
6. Step 6: Final answer
   x = 13,522.81