Finding the Fourth Proportional to 16,651.89, 22,980.05 and 9,941.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.89 : 22,980.05 = 9,941.40 : x
2. Step 2: Convert to fraction form
   16,651.89/22,980.05 = 9,941.40/x
3. Step 3: Cross multiply
   16,651.89x = 22,980.05 × 9,941.40
4. Step 4: Simplify right side
   16,651.89x = 228,453,819.36
5. Step 5: Solve for x
   x = 228,453,819.36/16,651.89
6. Step 6: Final answer
   x = 13,719.39