Finding the Fourth Proportional to 17,809, 24,576.86 and 9,851.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,809 : 24,576.86 = 9,851.40 : x
2. Step 2: Convert to fraction form
   17,809/24,576.86 = 9,851.40/x
3. Step 3: Cross multiply
   17,809x = 24,576.86 × 9,851.40
4. Step 4: Simplify right side
   17,809x = 242,116,478.60
5. Step 5: Solve for x
   x = 242,116,478.60/17,809
6. Step 6: Final answer
   x = 13,595.18