Finding the Fourth Proportional to 11,040.95, 16,545.31 and 5,119.64

Step by Step Solution

1. Step 1: Write the proportion equation
   11,040.95 : 16,545.31 = 5,119.64 : x
2. Step 2: Convert to fraction form
   11,040.95/16,545.31 = 5,119.64/x
3. Step 3: Cross multiply
   11,040.95x = 16,545.31 × 5,119.64
4. Step 4: Simplify right side
   11,040.95x = 84,706,030.89
5. Step 5: Solve for x
   x = 84,706,030.89/11,040.95
6. Step 6: Final answer
   x = 7,671.99