Finding the Fourth Proportional to 17,570.72, 24,255.52 and 11,205.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,570.72 : 24,255.52 = 11,205.86 : x
2. Step 2: Convert to fraction form
   17,570.72/24,255.52 = 11,205.86/x
3. Step 3: Cross multiply
   17,570.72x = 24,255.52 × 11,205.86
4. Step 4: Simplify right side
   17,570.72x = 271,803,961.35
5. Step 5: Solve for x
   x = 271,803,961.35/17,570.72
6. Step 6: Final answer
   x = 15,469.14