Finding the Fourth Proportional to 16,605.56, 22,915.68 and 10,317.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605.56 : 22,915.68 = 10,317.94 : x
2. Step 2: Convert to fraction form
   16,605.56/22,915.68 = 10,317.94/x
3. Step 3: Cross multiply
   16,605.56x = 22,915.68 × 10,317.94
4. Step 4: Simplify right side
   16,605.56x = 236,442,515.32
5. Step 5: Solve for x
   x = 236,442,515.32/16,605.56
6. Step 6: Final answer
   x = 14,238.75