Finding the Fourth Proportional to 16,782.66, 23,157 and 10,410.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,782.66 : 23,157 = 10,410.80 : x
2. Step 2: Convert to fraction form
   16,782.66/23,157 = 10,410.80/x
3. Step 3: Cross multiply
   16,782.66x = 23,157 × 10,410.80
4. Step 4: Simplify right side
   16,782.66x = 241,082,779.82
5. Step 5: Solve for x
   x = 241,082,779.82/16,782.66
6. Step 6: Final answer
   x = 14,364.99