Finding the Fourth Proportional to 11,109.75, 16,672.83 and 5,266.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.75 : 16,672.83 = 5,266.38 : x
2. Step 2: Convert to fraction form
   11,109.75/16,672.83 = 5,266.38/x
3. Step 3: Cross multiply
   11,109.75x = 16,672.83 × 5,266.38
4. Step 4: Simplify right side
   11,109.75x = 87,805,458.46
5. Step 5: Solve for x
   x = 87,805,458.46/11,109.75
6. Step 6: Final answer
   x = 7,903.46