Finding the Fourth Proportional to 16,605.59, 22,910.81 and 9,887.85

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605.59 : 22,910.81 = 9,887.85 : x
2. Step 2: Convert to fraction form
   16,605.59/22,910.81 = 9,887.85/x
3. Step 3: Cross multiply
   16,605.59x = 22,910.81 × 9,887.85
4. Step 4: Simplify right side
   16,605.59x = 226,538,603.22
5. Step 5: Solve for x
   x = 226,538,603.22/16,605.59
6. Step 6: Final answer
   x = 13,642.31