Finding the Fourth Proportional to 17,012.62, 23,477.69 and 9,356.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,012.62 : 23,477.69 = 9,356.22 : x
2. Step 2: Convert to fraction form
   17,012.62/23,477.69 = 9,356.22/x
3. Step 3: Cross multiply
   17,012.62x = 23,477.69 × 9,356.22
4. Step 4: Simplify right side
   17,012.62x = 219,662,432.73
5. Step 5: Solve for x
   x = 219,662,432.73/17,012.62
6. Step 6: Final answer
   x = 12,911.73