Finding the Fourth Proportional to 10,992.70, 16,485.40 and 5,067.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992.70 : 16,485.40 = 5,067.15 : x
2. Step 2: Convert to fraction form
   10,992.70/16,485.40 = 5,067.15/x
3. Step 3: Cross multiply
   10,992.70x = 16,485.40 × 5,067.15
4. Step 4: Simplify right side
   10,992.70x = 83,533,994.61
5. Step 5: Solve for x
   x = 83,533,994.61/10,992.70
6. Step 6: Final answer
   x = 7,599.04