Finding the Fourth Proportional to 17,995.78, 24,799.80 and 12,951.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,995.78 : 24,799.80 = 12,951.10 : x
2. Step 2: Convert to fraction form
   17,995.78/24,799.80 = 12,951.10/x
3. Step 3: Cross multiply
   17,995.78x = 24,799.80 × 12,951.10
4. Step 4: Simplify right side
   17,995.78x = 321,184,689.78
5. Step 5: Solve for x
   x = 321,184,689.78/17,995.78
6. Step 6: Final answer
   x = 17,847.78