Finding the Fourth Proportional to 12,099.07, 16,698.53 and 7,386.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,099.07 : 16,698.53 = 7,386.09 : x
2. Step 2: Convert to fraction form
   12,099.07/16,698.53 = 7,386.09/x
3. Step 3: Cross multiply
   12,099.07x = 16,698.53 × 7,386.09
4. Step 4: Simplify right side
   12,099.07x = 123,336,845.45
5. Step 5: Solve for x
   x = 123,336,845.45/12,099.07
6. Step 6: Final answer
   x = 10,193.91