Finding the Fourth Proportional to 11,846.37, 17,725.71 and 9,499.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,846.37 : 17,725.71 = 9,499.20 : x
2. Step 2: Convert to fraction form
   11,846.37/17,725.71 = 9,499.20/x
3. Step 3: Cross multiply
   11,846.37x = 17,725.71 × 9,499.20
4. Step 4: Simplify right side
   11,846.37x = 168,380,064.43
5. Step 5: Solve for x
   x = 168,380,064.43/11,846.37
6. Step 6: Final answer
   x = 14,213.64