Finding the Fourth Proportional to 16,405.83, 24,610.37 and 4,720.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405.83 : 24,610.37 = 4,720.77 : x
2. Step 2: Convert to fraction form
   16,405.83/24,610.37 = 4,720.77/x
3. Step 3: Cross multiply
   16,405.83x = 24,610.37 × 4,720.77
4. Step 4: Simplify right side
   16,405.83x = 116,179,872.78
5. Step 5: Solve for x
   x = 116,179,872.78/16,405.83
6. Step 6: Final answer
   x = 7,081.62