Finding the Fourth Proportional to 17,019.12, 23,479.83 and 12,553.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,019.12 : 23,479.83 = 12,553.46 : x
2. Step 2: Convert to fraction form
   17,019.12/23,479.83 = 12,553.46/x
3. Step 3: Cross multiply
   17,019.12x = 23,479.83 × 12,553.46
4. Step 4: Simplify right side
   17,019.12x = 294,752,989.31
5. Step 5: Solve for x
   x = 294,752,989.31/17,019.12
6. Step 6: Final answer
   x = 17,318.93