Finding the Fourth Proportional to 17,298.56, 23,838.72 and 12,575.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,298.56 : 23,838.72 = 12,575.36 : x
2. Step 2: Convert to fraction form
   17,298.56/23,838.72 = 12,575.36/x
3. Step 3: Cross multiply
   17,298.56x = 23,838.72 × 12,575.36
4. Step 4: Simplify right side
   17,298.56x = 299,780,485.94
5. Step 5: Solve for x
   x = 299,780,485.94/17,298.56
6. Step 6: Final answer
   x = 17,329.79