Finding the Fourth Proportional to 17,219.95, 23,763.22 and 9,665.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,219.95 : 23,763.22 = 9,665.69 : x
2. Step 2: Convert to fraction form
   17,219.95/23,763.22 = 9,665.69/x
3. Step 3: Cross multiply
   17,219.95x = 23,763.22 × 9,665.69
4. Step 4: Simplify right side
   17,219.95x = 229,687,774.94
5. Step 5: Solve for x
   x = 229,687,774.94/17,219.95
6. Step 6: Final answer
   x = 13,338.47