Finding the Fourth Proportional to 11,199.35, 16,757.94 and 9,345.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,199.35 : 16,757.94 = 9,345.89 : x
2. Step 2: Convert to fraction form
   11,199.35/16,757.94 = 9,345.89/x
3. Step 3: Cross multiply
   11,199.35x = 16,757.94 × 9,345.89
4. Step 4: Simplify right side
   11,199.35x = 156,617,863.87
5. Step 5: Solve for x
   x = 156,617,863.87/11,199.35
6. Step 6: Final answer
   x = 13,984.55