Finding the Fourth Proportional to 16,581.04, 22,892.86 and 12,745.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.04 : 22,892.86 = 12,745.88 : x
2. Step 2: Convert to fraction form
   16,581.04/22,892.86 = 12,745.88/x
3. Step 3: Cross multiply
   16,581.04x = 22,892.86 × 12,745.88
4. Step 4: Simplify right side
   16,581.04x = 291,789,646.42
5. Step 5: Solve for x
   x = 291,789,646.42/16,581.04
6. Step 6: Final answer
   x = 17,597.79