Finding the Fourth Proportional to 16,249.72, 24,378.22 and 5,156.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,249.72 : 24,378.22 = 5,156.77 : x
2. Step 2: Convert to fraction form
   16,249.72/24,378.22 = 5,156.77/x
3. Step 3: Cross multiply
   16,249.72x = 24,378.22 × 5,156.77
4. Step 4: Simplify right side
   16,249.72x = 125,712,799.71
5. Step 5: Solve for x
   x = 125,712,799.71/16,249.72
6. Step 6: Final answer
   x = 7,736.31