Finding the Fourth Proportional to 16,785.37, 23,165.63 and 10,499.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,785.37 : 23,165.63 = 10,499.77 : x
2. Step 2: Convert to fraction form
   16,785.37/23,165.63 = 10,499.77/x
3. Step 3: Cross multiply
   16,785.37x = 23,165.63 × 10,499.77
4. Step 4: Simplify right side
   16,785.37x = 243,233,786.91
5. Step 5: Solve for x
   x = 243,233,786.91/16,785.37
6. Step 6: Final answer
   x = 14,490.82