Finding the Fourth Proportional to 16,583.72, 22,884.18 and 9,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,583.72 : 22,884.18 = 9,131.72 : x
2. Step 2: Convert to fraction form
   16,583.72/22,884.18 = 9,131.72/x
3. Step 3: Cross multiply
   16,583.72x = 22,884.18 × 9,131.72
4. Step 4: Simplify right side
   16,583.72x = 208,971,924.19
5. Step 5: Solve for x
   x = 208,971,924.19/16,583.72
6. Step 6: Final answer
   x = 12,601.03