Finding the Fourth Proportional to 17,959.71, 24,775.82 and 13,953.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,959.71 : 24,775.82 = 13,953.40 : x
2. Step 2: Convert to fraction form
   17,959.71/24,775.82 = 13,953.40/x
3. Step 3: Cross multiply
   17,959.71x = 24,775.82 × 13,953.40
4. Step 4: Simplify right side
   17,959.71x = 345,706,940.32
5. Step 5: Solve for x
   x = 345,706,940.32/17,959.71
6. Step 6: Final answer
   x = 19,249.03