Finding the Fourth Proportional to 16,555.42, 22,845.98 and 9,001.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,555.42 : 22,845.98 = 9,001.77 : x
2. Step 2: Convert to fraction form
   16,555.42/22,845.98 = 9,001.77/x
3. Step 3: Cross multiply
   16,555.42x = 22,845.98 × 9,001.77
4. Step 4: Simplify right side
   16,555.42x = 205,654,194.22
5. Step 5: Solve for x
   x = 205,654,194.22/16,555.42
6. Step 6: Final answer
   x = 12,422.17